High on a hill overlooking Los Angeles lives a world famous, high-power conical Tesla Coil.

A luxurious doomsday bunker hidden beneath an unassuming Las Vegas home offers the best of subterranean suburbia.

No one knows exactly how deep the world’s deepest geothermal hot spring is.

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

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

An homage to everyone's favorite prehistoric cartoon family.

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

The location where the iconic movie character declared it was time to go home.

This balancing rock is one of Utah's most unusual geological formations.

Two creeks flow out of either end of this canyon in opposite directions.

The fifth-longest natural arch in the world, and the longest outside China.

A house carved into a rock in the 1940s.

This Moab institution functions as both a rock store and a small natural history museum.

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

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.

Isak Heartstone, a 15-foot wooden troll made out of recycled materials.

This vintage theme park is peak Christmas kitsch—and it's open all summer.

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

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

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

The walls, tables, and much of the ceiling in this pizzeria are covered with $40,000 in $1 bills.

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