The self-proclaimed gateway to the Extraterrestrial Highway.

This legendary "evil" doll has been haunting the citizens of Key West for over 100 years.

Lines from a walking song are etched into a rock in Natural Bridge State Park.

San Diego's most historic and haunted home.

The Route 66 institution that inspired Taco Bell also served as an important headquarters for Mexican-American social movements.

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.

Pyramid home to an obscure religious group that practices modern mummification.

A hidden garden of stones engraved with scriptures, a Joseph Smith Sphinx, all carved by one man.

Here lies Lilly E. Gray, an alleged "victim of the beast," but the reason long remained a mystery.

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

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

The world's largest wooden trestle stretches across this desert canyon in Anza-Borrego Desert State Park.

This historic tower in the California desert promises visitors a "vortex of good vibes".

A UFO scrapyard in the California desert.

A monument to a one-legged kidnapper, horse thief, and charlatan asks visitors to throw rocks in a pile.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

This dark, quiet forest on the outskirts of San Diego is dense with rumor and lore.

The overgrown ruins of a once thriving World War I-era copper mine.