A Cold War site complete with rusty structures, hiking trails, and beautiful views.

Hidden in the Santa Ynez Mountains off Highway 154, this tiny restaurant once served as a stagecoach stop.

A Romanesque sanctuary of calm amid the bustle of downtown Los Angeles.

A ghost town at the airport is now a refuge for blue butterflies.

The remains of the first punk club in L.A.

A look into the Church of Scientology's deeply unfavorable view of psychiatry.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

A library of rare occult books in Los Angeles.

A prohibition-style speakeasy takes up residence in the last Victorian residence in Hollywood.

Venue for strange sideshow displays and musical acts.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

An off-the-beaten path cave with an underground lake.

The lost ruins of the forgotten ferry lie hidden beneath the silt.

A small canyon with petroglyphs and a seasonal waterfall, only a short hike from the remnants of old Route 66.

One of the oldest Mexican restaurants in the United States air-dries its trademark beef in a dangling outdoor cage.

This old selenite mine is dotted with tiny crystals that make it shimmer like it's covered in glitter.

A once popular resort—said to be the vacation spot of gangster Al Capone—now remains abandoned in the woods of Arizona.

Hike the unusual hoodoos and rock formations that form this little-known natural wonder.

For those going through a life transition, a place to leave behind a piece of your former self.

Legend says train robbers stashed their gold within the depths of this unusual cave.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

A Wild West jailhouse that slid down the mountainside.

A secret fresh water spring for animals and humans alike hidden along the most famous road in the United States.

This giant steer-skull edifice refuses to die.