In the middle of a busy airport, a statue honoring the astronaut who told Houston that Apollo 13 had a problem.

A pair of gargoyles peer into unsuspecting passengers at Denver’s conspiracy-packed airport.

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

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

The largest self-built castle in the U.S., six decades in the making.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

There are eight natural springs around town, each with a slightly different taste.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

A short but powerful waterfall resides amid Colorado’s Great Sand Dunes.

When ecosystems collide in the arid Southwest.

One woman's UFO-themed campground, complete with self-built energy vortexes, UFO-themed weddings, and magic bushes.

Possibly the world's only drive-in movie theater with an attached motel.

This bee-themed family business does more with honey than anyone would think was possible.

Legends surround this jagged rock formation in the New Mexico desert.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A glimpse of a waterfall is reached by a steel catwalk along a slot canyon located in an Ouray city park.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

Take a dip in the world's largest mineral hot springs pool.

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

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

The world's largest washing machine collection has more than 1,400 antique items in its exhibit.