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

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

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

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

Victorian "Fancy Craft" Hair Wreaths and Relics.

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

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

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

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

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.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

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

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

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

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

This massive home was constructed by one of the greatest conservationists in Colorado history.

Explore some of the most unique vehicles in history along with a cast of unsettling mannequins.

Travel through the wholesome amusements of yesteryear at this charming miniature village.

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

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

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

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

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