Top 25 Things To Do in Boulder

Say you're sipping a craft beer on a sunny patio, gazing up at the dramatic Flatirons jutting into a bright blue sky. The air is crisp, filled with the excited chatter of hikers planning their next adventure and the aroma of farm-fresh cuisine wafting from nearby restaurants. Welcome to Boulder, Colorado, where outdoor enthusiasts, culture seekers, and food lovers converge in a mountain town paradise.

Nestled at the foothills of the Rocky Mountains, Boulder isn't your average mountain town. This vibrant city seamlessly blends rugged natural beauty with a sophisticated urban vibe, creating a unique destination that's as perfect for adrenaline junkies as it is for art aficionados. With over 300 days of sunshine a year, world-class hiking and climbing, a thriving arts scene, and a commitment to sustainability that permeates every aspect of life, Boulder offers an experience that's hard to match.

Ready to dive into all that Boulder has to offer? From scaling the iconic Flatirons to savoring tea in a hand-painted Tajik teahouse, here are the 25 best things to do in this Colorado gem. Whether you're a first-time visitor or a returning fan, Boulder's charm will leave you planning your next trip before you've even left.

Hike the Iconic Flatirons

The Flatirons are Boulder's most recognizable landmark, and hiking them is an absolute must. These dramatic rock formations offer trails for all skill levels, from easy strolls to challenging climbs. As you ascend, you'll be rewarded with breathtaking views of Boulder and the surrounding plains. The most popular trail is the Flatirons Loop, which gives you an up-close look at the First and Second Flatirons. Keep your eyes peeled for local wildlife – you might spot mule deer or even a black bear!

• Location: Chautauqua Park, Baseline Road & 9th Street, Boulder, CO 80302
• Hours: Open daily, dawn to dusk
• Admission: Free

Why Visit: Experience Boulder's most iconic natural wonder and get a birds-eye view of the city.

Insider Tip: Start your hike early in the morning to beat the crowds and the midday heat. Don't forget to bring plenty of water and sunscreen!

Stroll Down Pearl Street Mall

Pearl Street Mall is the beating heart of Boulder, a vibrant pedestrian mall that stretches for four blocks in the city's downtown. Here, you'll find an eclectic mix of shops, restaurants, and street performers that capture Boulder's unique spirit. Watch in awe as jugglers and acrobats perform, browse local boutiques for one-of-a-kind souvenirs, or simply people-watch from one of the many outdoor cafes. The mall's historic buildings, dating back to the late 19th century, provide a charming backdrop to the lively scene.

• Location: Pearl Street between 11th and 15th Streets, Boulder, CO 80302
• Hours: Shops typically open 10am-8pm, restaurants often later
• Admission: Free to explore

Why Visit: Experience the vibrant culture and community spirit of Boulder in one lively location.

Insider Tip: Visit on a summer evening when the mall comes alive with street performances and the golden hour light makes for great photos.

Explore Chautauqua Park

Step back in time at Chautauqua Park, a National Historic Landmark that's been a Boulder institution since 1898. Originally part of the nationwide Chautauqua Movement promoting adult education, today it's a beloved community gathering place and gateway to some of Boulder's best hiking trails. The park features charming cottages, a dining hall serving up local fare, and a summer concert series that shouldn't be missed. But the real star is the natural beauty – expansive meadows framed by the towering Flatirons create a backdrop that's pure Colorado.

• Location: 900 Baseline Road, Boulder, CO 80302
• Hours: Park open daily, dawn to dusk; Dining Hall hours vary
• Admission: Free for the park; concert and dining prices vary

Why Visit: Experience a unique blend of history, culture, and natural beauty in one stunning location.

Insider Tip: Pack a picnic and enjoy it on the sprawling lawn while taking in the majestic Flatiron views.

Cycle the Boulder Creek Path

Hop on a bike and experience Boulder like a local on the Boulder Creek Path. This 5.5-mile trail follows the creek through the heart of the city, offering a scenic route that's popular with cyclists, joggers, and walkers alike. As you pedal along, you'll pass through leafy parks, by the University of Colorado campus, and alongside bubbling Boulder Creek. Stop for a quick dip in one of the creek's swimming holes on a hot day, or pause to watch kayakers navigate the whitewater course near Eben G. Fine Park.

• Location: Runs from Boulder Canyon to 55th Street
• Hours: Open 24/7
• Admission: Free

Why Visit: Get a taste of Boulder's outdoor lifestyle and see the city from a different perspective.

Insider Tip: Rent a bike from one of the many shops near Pearl Street Mall, and consider timing your ride for sunset when the creek is bathed in golden light.

Visit the Boulder Dushanbe Teahouse

Step into a piece of Central Asian art at the Boulder Dushanbe Teahouse. This stunning building was a gift from Boulder's sister city, Dushanbe, Tajikistan, and every inch of it is a masterpiece. Hand-painted ceilings, intricately carved columns, and ceramic panels create an atmosphere that's both exotic and serene. Sip on a variety of teas from around the world, paired with a menu that blends Middle Eastern and Boulder flavors. The outdoor patio, with its colorful flowerbeds and bubbling fountain, is the perfect spot for a leisurely afternoon tea.

• Location: 1770 13th Street, Boulder, CO 80302
• Hours: Daily 8am-9pm
• Admission: Free to visit; tea and food prices vary

Why Visit: Experience a unique cultural treasure and enjoy world-class teas in a breathtaking setting.

Insider Tip: Try the Boulder Dushanbe Teahouse's signature "Boulder Fog" – a twist on London Fog with lavender and vanilla.

Tour Celestial Seasonings Tea Factory

Awaken your senses at the Celestial Seasonings Tea Factory, where you can see (and smell!) how some of America's favorite teas are made. The free guided tour takes you through the entire tea-making process, from raw ingredients to finished product. You'll walk through the famous Mint Room, where the intense aroma of peppermint and spearmint will clear your sinuses in seconds. After the tour, head to the tasting room to sample a wide variety of teas, including exclusive blends not available in stores.

• Location: 4600 Sleepytime Drive, Boulder, CO 80301
• Hours: Tours daily 10am-4pm
• Admission: Free

Why Visit: Get a behind-the-scenes look at tea production and sample unique blends in the birthplace of Sleepytime Tea.

Insider Tip: Visit on a weekday to see the factory in full production mode. The mint room is an unforgettable olfactory experience!

Climb at Eldorado Canyon State Park

Just a short drive from Boulder, Eldorado Canyon State Park is a rock climber's paradise. With over 500 technical rock climbing routes, it's considered one of the best climbing spots in the world. But even if you're not a climber, the park's stunning scenery, hiking trails, and picnic areas make it worth a visit. The towering sandstone cliffs, carved by South Boulder Creek, create a dramatic landscape that's a photographer's dream. Watch climbers tackle seemingly impossible routes, or take a leisurely hike along the creek.

• Location: 9 Kneale Road, Eldorado Springs, CO 80025
• Hours: Summer 8am-9pm, Winter 8am-6pm
• Admission: $10 per vehicle

Why Visit: Experience world-class climbing or simply marvel at the breathtaking canyon scenery.

Insider Tip: If you're new to climbing, book a guided session with a local climbing school to safely experience the thrill of Eldorado Canyon.

Browse the Boulder Farmers Market

Immerse yourself in Boulder's local food scene at the Boulder Farmers Market, consistently ranked as one of the best in the country. Every Saturday (and Wednesday evenings in summer), local farmers, ranchers, and food artisans gather to offer their freshest produce, meats, cheeses, and prepared foods. The market is a feast for the senses – colorful displays of organic vegetables, the aroma of freshly baked bread, and the buzz of community conversations create an atmosphere that's quintessentially Boulder. Don't miss the food court, where local chefs whip up delicious meals using market ingredients.

• Location: 13th Street between Canyon Boulevard and Arapahoe Avenue
• Hours: Saturdays 8am-2pm (April-November), Wednesdays 4pm-8pm (May-October)
• Admission: Free

Why Visit: Experience Boulder's vibrant local food culture and community spirit in one lively location.

Insider Tip: Arrive early for the best selection, and bring your own bags. Don't miss the flower vendors for stunning local bouquets!

Discover the Museum of Boulder

Dive into Boulder's rich history and culture at the Museum of Boulder. Housed in a former Masonic lodge, this modern museum offers interactive exhibits that bring the city's past and present to life. From the Native American inhabitants to the gold rush, the rise of the University, and Boulder's evolution into a hub of science and technology, you'll gain a deep appreciation for what makes this city unique. The museum also features rotating exhibits on contemporary issues and innovations, reflecting Boulder's forward-thinking spirit.

• Location: 2205 Broadway, Boulder, CO 80302
• Hours: Tuesday-Sunday 9am-5pm, Thursday 9am-8pm
• Admission: Adults $10, Seniors $8, Children (5-17) $5

Why Visit: Gain a comprehensive understanding of Boulder's history and its impact on the present day.

Insider Tip: Don't miss the rooftop deck, which offers panoramic views of the Flatirons and downtown Boulder.

Relax in Boulder Creek

On a hot summer day, there's no better place to cool off than Boulder Creek. Join locals in the time-honored tradition of "tubing" – floating down the creek in an inflatable tube. The gentle rapids provide just enough excitement without being too dangerous. If tubing isn't your style, find a spot along the banks to dip your toes in the cool mountain water, or spread out a blanket for a creekside picnic. The sound of rushing water and the shade of overhanging trees create a peaceful oasis right in the heart of the city.

• Location: Access points along Boulder Creek Path
• Hours: Always open, but tubing is best in late spring and summer
• Admission: Free

Why Visit: Experience a beloved local pastime and cool off in the refreshing mountain waters.

Insider Tip: Rent tubes from Whitewater Tube Co. or University Bicycles on Pearl Street. Always check water levels and wear a life jacket for safety.

Tour the National Center for Atmospheric Research (NCAR)

Perched on a mesa with stunning views of Boulder, the National Center for Atmospheric Research (NCAR) is both an architectural marvel and a world-renowned research facility. Designed by I.M. Pei, the building itself is worth a visit for its unique blend of modernist and ancient Pueblo influences. Inside, interactive exhibits explain complex concepts in weather and climate science in engaging ways. Learn about tornadoes, hurricanes, and climate change through hands-on displays. Outside, hiking trails offer panoramic views of Boulder and the surrounding mountains.

• Location: 1850 Table Mesa Drive, Boulder, CO 80305
• Hours: Monday-Friday 8am-5pm, Saturday-Sunday 9am-4pm
• Admission: Free

Why Visit: Expand your understanding of weather and climate science while enjoying spectacular views.

Insider Tip: Take the short Weather Trail outside the building for great photo ops of Boulder and the Flatirons.

Experience the Boulder Theater

Step into Boulder's vibrant music scene at the historic Boulder Theater. Built in 1906, this art deco gem has hosted everything from silent movies to contemporary bands. Today, it's the premier venue for live music in Boulder, featuring an eclectic mix of local and national acts. The intimate setting and excellent acoustics make for an unforgettable concert experience. Even if you're not catching a show, the theater's facade, with its colorful neon sign, is an iconic Boulder sight.

• Location: 2032 14th Street, Boulder, CO 80302
• Hours: Vary by event
• Admission: Varies by performance

Why Visit: Immerse yourself in Boulder's music culture in a historic setting.

Insider Tip: Check their calendar in advance – tickets for popular acts can sell out quickly. Arrive early to grab a drink at the bar and soak in the atmosphere.

Hike the Royal Arch Trail

For a challenging hike with a big payoff, tackle the Royal Arch Trail. This steep, rocky trail climbs through forests and boulder fields to reach a massive natural stone arch with panoramic views of Boulder and beyond. The hike is strenuous – gaining over 1,400 feet in elevation over 3.5 miles round trip – but the sight of the arch framing the city below is truly breathtaking. Along the way, you'll pass through diverse ecosystems and may spot local wildlife like mule deer or golden eagles.

• Location: Chautauqua Park, Baseline Road & 9th Street, Boulder, CO 80302
• Hours: Open daily, dawn to dusk
• Admission: Free

Why Visit: Challenge yourself to a rewarding hike and see Boulder from a unique perspective.

Insider Tip: Start early to avoid midday heat and crowds. Bring plenty of water and wear sturdy hiking shoes – the trail is rocky and steep in places.

Visit the University of Colorado Boulder Campus

Take a stroll through the picturesque University of Colorado Boulder campus, known for its stunning Tuscan Vernacular Revival architecture. The red-tiled roofs and sandstone buildings against the backdrop of the Flatirons create a scene that's pure Colorado. Don't miss the University Museum of Natural History, home to fascinating exhibits on anthropology, botany, and paleontology. For a unique experience, climb the 99 steps to the top of the Varsity Bridge for one of the best views of Boulder.

• Location: 1100 28th Street, Boulder, CO 80309
• Hours: Campus open daily; museum hours vary
• Admission: Free to explore campus; museum admission varies

Why Visit: Experience the energy of a top-tier university and enjoy beautiful architecture and views.

Insider Tip: Time your visit for a home football game in the fall to experience the full excitement of a college game day.

Explore the North Boulder (NoBo) Art District

Discover Boulder's thriving art scene in the North Boulder (NoBo) Art District. This up-and-coming neighborhood is home to a diverse community of artists and makers, with numerous galleries, studios, and creative businesses. On the first Friday of every month, the district comes alive with open studios, live performances, and food trucks during the popular First Friday Art Walk. It's a great opportunity to meet local artists, see works in progress, and maybe even take home a unique piece of Boulder art.

• Location: North Boulder, roughly between Broadway and 28th Street
• Hours: Vary by venue; First Friday Art Walk is 6pm-9pm on the first Friday of each month
• Admission: Free to explore

Why Visit: Experience Boulder's vibrant contemporary art scene and meet local artists.

Insider Tip: Plan your visit around a First Friday for the full NoBo experience, and don't be shy about chatting with artists about their work.

Taste Craft Beer on the Boulder Beer Trail

Boulder's craft beer scene is legendary, and there's no better way to experience it than by following the Boulder Beer Trail. This self-guided tour takes you through some of the city's best breweries, each with its own unique atmosphere and flagship brews. From hoppy IPAs to rich stouts, you'll find something to please every palate. Some must-visit spots include Avery Brewing Company, known for its barrel-aged beers, and Upslope Brewing Company, where you can enjoy your pint with mountain views.

• Location: Various locations throughout Boulder
• Hours: Vary by brewery
• Admission: Free to explore; beer prices vary

Why Visit: Sample some of Colorado's best craft beers and experience Boulder's brewing culture.

Insider Tip: Consider joining a guided tour if you want to learn more about the brewing process and Boulder's beer history. Don't forget to designate a driver or use a rideshare service.

Shop at the Pearl Street Mall

While we've already mentioned strolling down Pearl Street Mall, it deserves a second mention for its fantastic shopping opportunities. This pedestrian mall is a shopper's paradise, with a mix of local boutiques, national retailers, and quirky gift shops. Browse handmade jewelry at Art Mart, find your next outdoor gear at Boulder Running Company, or pick up a unique souvenir at Into the Wind kite shop. The mall's four blocks offer something for every taste and budget.

• Location: Pearl Street between 11th and 15th Streets, Boulder, CO 80302
• Hours: Most shops open 10am-8pm daily
• Admission: Free to browse

Why Visit: Find unique souvenirs and support local businesses in a charming, historic setting.

Insider Tip: Don't miss the side alleys off Pearl Street, where you'll find some of the most interesting and lesser-known shops.

Catch a Show at the Colorado Shakespeare Festival

Experience world-class theater under the stars at the Colorado Shakespeare Festival. Held annually on the University of Colorado campus, this summer festival brings the Bard's works to life in the beautiful outdoor Mary Rippon Theatre. From beloved classics to lesser-known plays, the productions are always top-notch. The festival also includes indoor performances, talks, and workshops for theater enthusiasts.

• Location: Mary Rippon Outdoor Theatre, University of Colorado, Boulder, CO 80309
• Hours: Performances typically run June through August
• Admission: Ticket prices vary by performance

Why Visit: Enjoy high-quality theater in a unique outdoor setting with the Flatirons as a backdrop.

Insider Tip: Bring a blanket or cushion for the outdoor seats, and arrive early to picnic on the lawn before the show.

Visit the Boulder Museum of Contemporary Art

For a dose of cutting-edge creativity, head to the Boulder Museum of Contemporary Art (BMoCA). This small but dynamic museum showcases thought-provoking exhibitions by regional, national, and international artists. The rotating exhibits ensure there's always something new to see, from avant-garde installations to multimedia experiences. BMoCA also hosts artist talks, workshops, and events that engage the community in contemporary art discussions.

• Location: 1750 13th Street, Boulder, CO 80302
• Hours: Tuesday-Sunday 11am-5pm, closed Mondays
• Admission: Adults $1, free for members and children under 12

Why Visit: Experience contemporary art in an intimate setting and engage with cutting-edge creativity.

Insider Tip: Check their website for special events like artist talks or opening receptions, which often include free admission.

Explore Valmont Bike Park

Get your adrenaline pumping at Valmont Bike Park, a world-class cycling facility that caters to riders of all ages and skill levels. This 42-acre park features a pump track, dirt jumps, dual slalom courses, and cyclocross trails. Whether you're a seasoned mountain biker or just starting out, you'll find terrain to challenge and excite you. The park also includes a playground and picnic areas, making it a great spot for a family day out.

• Location: 3160 Airport Road, Boulder, CO 80301
• Hours: Open daily, 5am-11pm
• Admission: Free

Why Visit: Experience world-class biking facilities and improve your skills in a safe, purpose-built environment.

Insider Tip: If you're new to mountain biking, consider taking a skills clinic offered at the park to learn the basics and build confidence.

Relax at Boulder Reservoir

On a hot summer day, cool off at Boulder Reservoir, a 700-acre lake surrounded by hiking trails and picnic areas. The reservoir offers a sandy beach perfect for sunbathing, swimming, and building sandcastles. You can also rent stand-up paddleboards, kayaks, and canoes to explore the water. With the Flatirons as a backdrop, it's a scenic spot for a day of outdoor recreation or a peaceful lakeside picnic.

• Location: 5565 N 51st Street, Boulder, CO 80301
• Hours: 5am-9pm daily (May-September)
• Admission: $7-$10 per vehicle

Why Visit: Enjoy a variety of water activities and beach relaxation with stunning mountain views.

Insider Tip: Visit on a weekday to avoid crowds, and bring your own picnic to save on food costs.

Tour Banjo Billy's Bus

For a quirky and entertaining way to learn about Boulder's history, hop aboard Banjo Billy's Bus Tour. This 90-minute tour takes place on a school bus decorated to look like a hillbilly shack, complete with cowboy decorations and odd furnishings. As you cruise around town, your guide will regale you with ghost stories, crime tales, and historical anecdotes about Boulder. It's a fun and unconventional way to see the city's landmarks and learn about its colorful past.

• Location: Tours depart from Hotel Boulderado, 2115 13th Street, Boulder, CO 80302
• Hours: Tour times vary; check website for schedule
• Admission: Adults $35, Seniors $32, Children $25

Why Visit: Learn about Boulder's history in a fun, entertaining way while seeing the city's main attractions.

Insider Tip: Sit towards the front of the bus for the best views and to hear the guide more clearly.

Hike Mount Sanitas

For a challenging hike with rewarding views, tackle the Mount Sanitas Trail. This steep, 3.1-mile loop climbs to the summit of Mount Sanitas, offering panoramic views of Boulder, the Flatirons, and the surrounding plains. The trail is rocky and steep in places, providing a good workout. Along the way, you'll pass through diverse ecosystems and may spot local wildlife. The summit is a perfect spot for a picnic with a view.

• Location: Mapleton Avenue and Sunshine Canyon Drive, Boulder, CO 80304
• Hours: Open daily, dawn to dusk
• Admission: Free

Why Visit: Challenge yourself to a rewarding hike and enjoy 360-degree views of Boulder and beyond.

Insider Tip: Start early to avoid the midday heat and crowds. Bring plenty of water and wear sturdy hiking shoes.

Visit the Boulder Dushanbe Teahouse

Step into a piece of Central Asian art at the Boulder Dushanbe Teahouse. This stunning building was a gift from Boulder's sister city, Dushanbe, Tajikistan. Hand-painted ceilings, intricately carved columns, and ceramic panels create an atmosphere that's both exotic and serene. Enjoy a variety of teas from around the world, paired with a menu that blends Middle Eastern and Boulder flavors. The outdoor patio, with its colorful flowerbeds and bubbling fountain, is perfect for a leisurely afternoon tea.

• Location: 1770 13th Street, Boulder, CO 80302
• Hours: Daily 8am-9pm
• Admission: Free to visit; tea and food prices vary

Why Visit: Experience a unique cultural treasure and enjoy world-class teas in a breathtaking setting.

Insider Tip: Try the Boulder Dushanbe Teahouse's signature "Boulder Fog" – a twist on London Fog with lavender and vanilla.

Explore the Boulder Creek Path

Experience Boulder like a local on the Boulder Creek Path. This 5.5-mile trail follows the creek through the heart of the city, offering a scenic route popular with cyclists, joggers, and walkers. As you travel along, you'll pass through leafy parks, by the University of Colorado campus, and alongside bubbling Boulder Creek. Stop for a quick dip in one of the creek's swimming holes on a hot day, or pause to watch kayakers navigate the whitewater course near Eben G. Fine Park.

• Location: Runs from Boulder Canyon to 55th Street
• Hours: Open 24/7
• Admission: Free

Why Visit: Get a taste of Boulder's outdoor lifestyle and see the city from a different perspective.

Insider Tip: Rent a bike from one of the many shops near Pearl Street Mall, and consider timing your ride for sunset when the creek is bathed in golden light.

Structuring Your Boulder Adventure: A 7-Day Itinerary

Now that we've explored Boulder's top attractions, let's put it all together into a week-long adventure. This itinerary is designed to give you a taste of everything Boulder has to offer, from outdoor activities to cultural experiences. Feel free to adjust based on your interests and energy levels!

Days 1-2: Downtown and Central Attractions

• Start your trip with a stroll down Pearl Street Mall, exploring shops and watching street performers.
• Visit the Boulder Dushanbe Teahouse for lunch and a unique cultural experience.
• Spend an afternoon at the Museum of Boulder to learn about the city's history.
• Take a sunset hike on the Flatirons Vista Trail for stunning views.
• Enjoy dinner at one of Pearl Street's many restaurants, then catch a show at the Boulder Theater.

Days 3-4: Outdoor Adventures

• Begin with a morning hike in Chautauqua Park, choosing a trail that matches your skill level.
• Cool off with some tubing or swimming in Boulder Creek.
• Rent a bike and explore the Boulder Creek Path, stopping at Eben G. Fine Park for a picnic.
• Challenge yourself with a hike up the Royal Arch Trail or Mount Sanitas.
• Relax in the evening with a craft beer tour along the Boulder Beer Trail.

Day 5: University and Science Day

• Start with a tour of the University of Colorado Boulder campus.
• Visit the National Center for Atmospheric Research (NCAR) for interactive science exhibits and great views.
• Spend the afternoon at Fiske Planetarium for a cosmic experience.
• End the day with a performance at the Colorado Shakespeare Festival (if in season).

Day 6: Art and Culture

• Begin your day at the Boulder Farmers Market (if it's a market day).
• Explore the North Boulder (NoBo) Art District, visiting galleries and studios.
• Spend the afternoon at the Boulder Museum of Contemporary Art.
• Take a quirky history tour with Banjo Billy's Bus.
• Enjoy dinner at the Boulder Dushanbe Teahouse for a full experience of this cultural gem.

Day 7: Choose Your Own Adventure

For your final day, choose from these options based on your interests:

• Outdoor enthusiasts: Spend the day rock climbing or hiking in Eldorado Canyon State Park.
• Water lovers: Enjoy a day at Boulder Reservoir with swimming and water sports.
• Cyclists: Test your skills at Valmont Bike Park.
• Relaxation seekers: Take a day trip to nearby hot springs for a soak.
• Culture buffs: Visit the remaining museums on your list or revisit favorites.

Remember, this itinerary is just a suggestion. Boulder is a place that rewards exploration, so don't be afraid to wander off the beaten path. You never know what hidden gems you might discover in this charming mountain town!

Why Visit Boulder, Colorado?

From scaling the Flatirons to sipping tea in a hand-painted teahouse, Boulder offers a unique blend of outdoor adventure and cultural charm that's hard to find anywhere else. Whether you're an adrenaline junkie seeking your next thrill, a culture vulture looking for artistic inspiration, or simply someone in need of a mountain town getaway, Boulder has something for you.

As you plan your trip, remember that the real magic of Boulder lies not just in its attractions, but in its spirit. The laid-back vibe, the commitment to sustainability, the innovative culinary scene, and the genuine warmth of the locals all combine to create an atmosphere that's uniquely Boulder.

So pack your hiking boots (and maybe your tubing gear), bring your sense of adventure, and prepare to fall in love with this Colorado gem. Who knows? Like so many visitors before you, you might just find yourself planning your return trip before you've even left. Boulder has a way of capturing hearts – are you ready for it to capture yours?