This Boeing KC-97 tanker is now a restaurant for aviation lovers.

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

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

The clock that sets them all.

The moving metal works of one troubled artist can still be viewed on his front lawn... for now.

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

The wreckage of a World War II bomber is hidden high in the Colorado wilderness.

This museum offers an actual time machine back through Colorado's past.

Even in death, he's still your huckleberry.

A collection of over 15,000 zines works to preserve DIY publishing culture.

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

The world's largest key collection features keys to the White House, Frankenstein's castle, and Hitler's bunker.

A small horde of mythical creatures lurk almost imperceptibly within the museum's wildlife dioramas.

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

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

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

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

The largest source of fossilized insects anywhere.

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

Where scientists keep miles of very valuable ice from Antarctica and Greenland from melting.

The childhood home of Henry Jones Jr. is now an adventure-themed bed and breakfast.

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

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

See six states, pickled freaks, rocks, and antiques.