The oldest bar in Missouri is hidden within a limestone brewery cellar more than 50 feet underground.

This otherworldly church spire reaches up toward the heavens.

This unconventional used book store was once in the news for the surprising act of burning books.

The crumbling remains of the first Black-owned and operated hospital in Kansas City.

When zealous marijuana enthusiasts kept stealing the "Mile 420" highway marker, the State of Colorado got creative.

No one knows exactly how deep the world’s deepest geothermal hot spring is.

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

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

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

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

The narrow mountain road that carves a path between Florence and Victor is tied to ghost towns and ghost stories.

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

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

This super steep hike ascends 2,000 feet in less than a mile.

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

Meet Rita the Rock Planter, one of Danish sculptor Thomas Dambo's enormous wooden trolls.

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

Small teepee-like houses built for TB patients have become sheds, studios, and bus stops around Colorado Springs.

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

The remains of the dam that unleashed a 15-foot wall of water on Denver.

This restored farmhouse is a time capsule of a 19th-century Colorado homestead.

It's easy to forget what century it is as you wander this rustic homestead.

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

A Rocky Mountain city provides a happy ending for a pinto pony and his Brobdingnagian red chair.