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

Once an unstoppable source of gold and silver, this town came to a grinding stop when the groundwater proved deadly.

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

Colorado's only true geyser is hidden within the San Juan National Forest.

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

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

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

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

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

Even in death, he's still your huckleberry.

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

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

This spectacular track has run continuously since 1882.

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

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

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

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

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

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

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

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

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

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

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.