A river runs through this remote valley in a very unexpected way.

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

In the early 1900s, hundreds of Black Americans found opportunity in this now-abandoned rural community.

Unlike most arches, this geological oddity formed in a volcanic dike.

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

Community owned and operated, this property is home to a diverse set of nudists.

These decaying bridges 1,000 feet high are a reminder of the skill it took to cross the Colorado Rockies by rail.

The haunted reputation of these abandoned Colorado train tunnels is probably not helped by the terrifying spiked fence.

A downtown park built on top of unclaimed graves.

Gleaming self-built castle towers made from beer cans and inspired by "Vitamin Mary Jane."

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

The world's largest carnivore sanctuary is home to over 450 meat-eating rescues.

This once-popular otherworldly landscape was formed by one of the largest volcanic eruptions in history.

Abandoned silver mine strewn with wrecked and twisted structures.

A little-known hot spring haven right below the highway.

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

An architect in Aspen used psychedelics as his muse while building this mushroom masterpiece.

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

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

When ecosystems collide in the arid Southwest.

The highest bridge in America was built for an almost unnervingly small amount of money.

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

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

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