A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

Neal Cassady may still have an open tab at one of Denver's oldest watering holes.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

This hot dog-shaped diner has moved all around Colorado, never been to New York.

Inspired by a music box, a small town Vietnam vet carved an entire carousel full of animals by hand.

This iconic science fiction house still looks like something from the future.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

This deserted Gold Rush town is home to a Masonic lodge that, strangely enough, still holds meetings.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

A collection of fading fantasy tchotchkes lines this dirt road in the Colorado wilderness.

One of the largest Buddhist stupas in North America is built of concrete designed to last 1,000 years.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

This naturally-sourced hot spring is now home to a clothing-optional resort.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

The explorer Captain Cook may have named it White Island, but the Maori call it Te Puia o Whakaari – The Dramatic Volcano.