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

A bright California graveyard with a decidedly dark side.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

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

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

A museum dedicated to the alleged Roswell Incident.

A charming desert roadside bakery that produces 10 times more bread daily than it has residents in its town.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

Mysterious meeting place for UFO hunters near Area 51.

An eatery for UFO seekers on the Extraterrestrial Highway.

An homage to everyone's favorite prehistoric cartoon family.

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

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

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

The 7,000-year-old calcium carbonate formation creates a magnificent natural bridge.

The outcropping is graffitied with the name of the beloved musical Muppet television series.

This is one really big nut.

The Jewish section of the famous Boothill Graveyard was abandoned for nearly 100 years.

What is the Thing?

This curiosity shop contains a museum filled with bizarre, unique objects.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.