See massive fossils that are over 200 million years old in northeastern Arizona.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

This stimulating sex toy museum is sure to arouse the interest of its visitors.

Japanese national treasure originally built in 593 CE.

This 14th-century temple is also known as the "Temple of the Golden Pavilion" for its gorgeous gilded reliquary hall.

The 10,000 Torii shrine.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

This massive mall has hundreds of shops, an amusement park, and a history of deadly amusement attractions.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

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

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

Megachurch turned Catholic church comprised of 10,000 glass panes.

From a T-rex to a teapot, a cast of artificial fossils illustrates New Mexico's history.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

Legend says if you stick your thumb in the hole and it gets wet your wish will be granted.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

A whimsical bridge adorned with decorative dragons.

This one-time health resort was used by aristocrats around the world.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.