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All the United States Colorado Boulder

The Atlas Obscura Guide To Boulder

7 Cool, Hidden, and Unusual Things to Do in Boulder, Colorado

Updated December 4, 2025
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Unusual Attractions in Boulder

Boulder, Colorado

Boulder Teahouse

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.
NIST F1

Boulder, Colorado

NIST-F1 Cesium Fountain Atomic Clock

The clock that sets them all.
A recent MAL experiment.

Boulder, Colorado

Media Archaeology Lab

A research lab and hands-on museum where visitors can experiment with retro technology.
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Mill, Butte, And Mountains

Boulder, Colorado

Valmont Butte

This now-abandoned outcrop is an important Native American spiritual site, overtaken by European settlers and mining pollution.
Ford/Shelby Mustangs.

Boulder, Colorado

Shelby American Collection Museum

This unassuming building houses one of the world's most extensive collections of cars created by automotive legend Carroll Shelby.
The carving of the stonemason’s late daughter

Boulder, Colorado

The Architect's Daughter at First United Methodist

When this 160-year-old church was being built, a stonemason included a hidden homage to his late daughter.

Boulder, Colorado

Whimsical Carved Metal Fence

Unique fence hidden along multi-use trail near Pearl St and Mount Sanitas
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Cool Places to Eat & Drink in Boulder

Boulder, Colorado

Boulder Teahouse

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.
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Unforgettable Experiences Nearby

Explore Boulder, Colorado

Architecture 2
Abandoned 1
Haunted 1
Science 1
Churches 1
Automotive History 1
Museums 1
Hidden 1
Clocks 1
Engineering 1
Cars 1
Collections 1
Restaurants 1
Art 1
Video Games 1
Memorials 1
Universities 1
Mountains 1
Computer Museums 1
Astounding Timepieces 1

Boulder Leaderboard

Places Added

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    1
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    1
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Add an unusual place to Boulder.

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    1
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Places Visited

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    5
  2. B back2silver profile photo
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    5
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Recent Boulder Activity

  • jcan58 profile photo

    jcan58

    wants to go to Media Archaeology Lab

  • jcan58 profile photo

    jcan58

    wants to go to The Architect's Daughter at First United Methodist

  • jcan58 profile photo

    jcan58

    has been to Whimsical Carved Metal Fence

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    andreagaffney

    wants to go to Valmont Butte

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    wants to go to Boulder Teahouse

Stories About Boulder

Jeff Wanner harvests lavender on the University of Colorado campus in Boulder.

This Website Reimagines Cities as Foraging Utopias

Falling Fruit offers a fresh perspective on food and the future of urban environments.
by Liz Susman Karp, Atlas Obscura
April 5, 2023
One truck has become a fleet.

These Farmers Are Delivering Veggies From a Fleet of Adult Ice-Cream Trucks

During the pandemic, arugula is just as exciting as a Choco Taco.
by Sarah Kuta, Atlas Obscura
June 10, 2020
A row of “mystery bags” has taken the place of visitors browsing shelves.

A Bookstore in Boulder Pivots to Bike Delivery of 'Mystery Bags'

They're filled with handpicked books and a bag of tea or coffee beans.
by Micah Ling, Atlas Obscura
April 15, 2020
Aerial image of Vietnam, displaying the picturesque rice terraces, characterized by their layered, verdant fields.
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