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  • The Ultimate List: 15 Best Things to Do in San Diego (Updated 2026)
  • Best 333

    things to do in Boulder, CO

    Showing 193-216 of 333 results
    Private Denver History Tour with Local Guide

    Private Denver History Tour with Local Guide

    Discover Denver’s iconic landmarks and hidden stories on a guided walking exploration.

    5.0 • 427 reviews
    $295
    Denver Taco Walking Tour From Dairy Block

    Denver Taco Walking Tour From Dairy Block

    Walk Denver’s taco scene with 4 taco stops and optional drink pairings

    5.0 • 4.1K reviews
    $55/ person
    4-Hour Cross-Country Ski Tour in Estes Park

    4-Hour Cross-Country Ski Tour in Estes Park

    Find your rhythm on a private guided ski outing in Rocky Mountain National Park

    5.0 • 543 reviews
    $299/ person
    Holiday Lights Food & Drink Tour in Downtown Denver

    Holiday Lights Food & Drink Tour in Downtown Denver

    Make a holiday night out a progressive dinner, with food, drinks and planning taken care of

    5.0 • 4.1K reviews
    $149/ person
    Full-Day Cross-Country Ski Tour in Estes Park

    Full-Day Cross-Country Ski Tour in Estes Park

    A private guided ski day tailored from gentle trails to more strenuous mountain terrain

    5.0 • 543 reviews
    $387/ person
    Full-Day Ice Climbing in Estes Park

    Full-Day Ice Climbing in Estes Park

    Build ice-climbing skills on a private day in Estes Valley

    5.0 • 543 reviews
    $582/ person
    Private Full-Day Snowshoe in Rocky Mountain National Park

    Private Full-Day Snowshoe in Rocky Mountain National Park

    Venture above the trees on a winter mountain ascent

    5.0 • 543 reviews
    $387/ person
    Private Half-Day Guided Snowshoe Hike in Estes Park

    Private Half-Day Guided Snowshoe Hike in Estes Park

    Learn the basics of winter snowshoeing with a local guide

    5.0 • 543 reviews
    $299/ person
    Sunset Guided Tour in Rocky Mountain National Park

    Sunset Guided Tour in Rocky Mountain National Park

    Sunset tour of the Bear Lake Corridor with stops at Bear Lake and Sprague Lake

    5.0 • 384 reviews
    $147/ person
    Alpine Guided Tour of Rocky Mountain National Park

    Alpine Guided Tour of Rocky Mountain National Park

    Cross the Continental Divide and explore Rocky Mountain National Park by panoramic Sprinter

    5.0 • 384 reviews
    $294/ person
    Guided Flatirons Climb in Boulder, CO

    Guided Flatirons Climb in Boulder, CO

    Climb a Flatiron summit on an 8-hour guided day with 1,000+ feet of climbing

    5.0 • 387 reviews
    $428& up
    Guided Elk Rut Tour in Rocky Mountain National Park

    Guided Elk Rut Tour in Rocky Mountain National Park

    Explore Rocky Mountain National Park at sunrise or sunset during elk rut season

    5.0 • 384 reviews
    $147/ person
    Spot Moose & Wildlife in Rocky Mountain National Park

    Spot Moose & Wildlife in Rocky Mountain National Park

    Cruise Rocky Mountain National Park by van to look for moose and other animals

    5.0 • 384 reviews
    $123/ person
    Open-Top Jeep Tour of Rocky Mountain National Park

    Open-Top Jeep Tour of Rocky Mountain National Park

    Climb above treeline on a private Jeep journey through Rocky Mountain National Park

    5.0 • 384 reviews
    $196/ person
    Guided Boulder E-Bike Art & Nature Tour

    Guided Boulder E-Bike Art & Nature Tour

    Ride Boulder’s bike paths to murals, sculptures, and Art Deco sights

    5.0 • 239 reviews
    $109/ person
    Beginner Birding Class & Guided Walk in Denver

    Beginner Birding Class & Guided Walk in Denver

    Learn birding basics, then practice on a guided Front Range trail walk

    5.0 • 217 reviews
    $74/ person
    Downtown Estes Park Guided Food & Drink Walking Tour

    Downtown Estes Park Guided Food & Drink Walking Tour

    Taste downtown Estes Park on a guided walking food and drink tour

    5.0 • 123 reviews
    $126/ person
    Explore Rocky Mountain National Park With Snowshoes

    Explore Rocky Mountain National Park With Snowshoes

    Rent MSR snowshoes with optional dropoff for 24-hour use

    5.0 • 123 reviews
    $14
    Elk Rut Photography Tour in Rocky Mountain National Park

    Elk Rut Photography Tour in Rocky Mountain National Park

    Capture elk-rut scenes with expert photography guidance

    5.0 • 123 reviews
    $159/ person
    4-Hour Guided Ice Fishing Tour in Estes Park

    4-Hour Guided Ice Fishing Tour in Estes Park

    Drill into alpine lakes with a certified guide, warm drinks, and gear included

    5.0 • 123 reviews
    $148/ person
    Hands-On Gold Panning Lesson in Central City

    Hands-On Gold Panning Lesson in Central City

    Learn gold-panning techniques and keep the ore and gems you uncover

    4.9 • 1.4K reviews
    $25/ person
    Pikes Peak & Garden of the Gods Day Tour from Louisville

    Pikes Peak & Garden of the Gods Day Tour from Louisville

    Ride to Pikes Peak's summit and walk among Garden of the Gods red rocks

    5.0 • 68 reviews
    $313/ person
    Guided Alpine Lakes Hike in Rocky Mountain National Park

    Guided Alpine Lakes Hike in Rocky Mountain National Park

    Hike from Bear Lake to Dream, Emerald, and Haiyaha with a naturalist and picnic lunch

    5.0 • 68 reviews
    $199/ person
    Private Axe Throwing Lounge in Brighton

    Private Axe Throwing Lounge in Brighton

    Throw axes in a private lounge with couches and a 65-inch TV

    4.9 • 420 reviews
    $42/ person
    1…8910…14
    Guided Hikes29Art Tours25Fishing Charters20Boat Rentals17Axe Throwing15
    More
    • Aquarium Visits13
    • Paddleboarding12
    • Bike Rentals10
    • Bike Tours10
    • Off-Road Adventures10
    • Jet Skiing9
    • Ghost and Haunted8
    • Horseback Riding8
    • Historical Tours7
    • Museum Tours7
    • National Parks7
    • Bird Watching Tours6
    • Equipment Rental6
    • Karaoke6
    • Motorcycle Rentals6
    • Seasonal and Holiday6
    • Food Tours5
    • Kids Activities5
    • Cooking Classes4
    • Neighborhood Tours4