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

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

A museum dedicated to the alleged Roswell Incident.

A Prada store in the West Texas desert that is never open for business.

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.

What is the Thing?

Limestone caves with spectacular showcase chambers.

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

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

The first Protestant church in Arizona and only Gothic Revival style adobe church in the world.

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

A short interpretive trail about one of the first human cultures in North America.

Stairs often replace streets on the steep slopes of this old mining town.

This Old West hotel, the longest in continuous operation in the state of Arizona, is claimed to be haunted.

This open-pit mine is now an abandoned symbol of Bisbee's copper-mining heritage.

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

Collection of vintage trailers double as hotel rooms.

The former house of an anthropologist couple displays Lacandón Maya artifacts in a homey atmosphere.

The masses at this church incorporate enough moonshine and animal sacrifice that they are no longer recognizably Catholic.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

At least seven hues of blue and turquoise make this freshwater lagoon unique.