Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

A hotel with a rich Wild West history of miners and bootleggers.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

This iconic science fiction house still looks like something from the future.

This super steep hike ascends 2,000 feet in less than a mile.

When ecosystems collide in the arid Southwest.

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

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

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

A giant donut stands as a popular symbol of Los Angeles iconography.

Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

Finally the worlds of UFO enthusiasts and beef jerky lovers have come together in this roadside shop.

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

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

After the Cuban Revolution, the famous rum company had to leave their swanky headquarters behind.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

This star-studded Old Hollywood restaurant is where fettuccine Alfredo made its United States debut.

The "Seinfeld" diner.

The oldest continuously operating fish market in the United States.

Castro's communist ice cream mothership has been serving five-scoop "salads" for over 50 years.

A Viking-style brewpub named for a Norse sea giant, in the heart of fjord country.

A palatial former bank building now houses what may be the poshest art venue (and former Tesco) in Belfast.