A mental health hospital dating back more than 139 years, now features a museum.

An antique narrow gauge railway line still running through the Colorado and New Mexico mountains.

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

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

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

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

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

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

An annual festival celebrating Colorado's most famous frozen corpse.

The clock that sets them all.

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

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

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.

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

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

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

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The abandoned personal amusement park of the King of Pop.

The largest permanent Monopoly board makes one of the longest games even bigger.

The programmatic glory of LA's giant whiskey barrel building has become an upscale reminder of the city's kitschy roadside past.

Magical-looking cottages that inspired one of the most famous animated films ever.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.