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

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

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

Make your reservation to have coffee with some kitties.

Tiki luxury on Nob Hill.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

The private clubhouse for the members of the Academy of Magical Arts.

The scuba diving training facility was named for the steam that rises from the cave's chimney.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

One part antique store, one part curiosities hodge-podge.

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

A castle that was built stone by stone by an eccentric journalist.

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

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

This geothermal hot spring hides beneath a slowly growing mineral dome.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A self-built castle made by a mysterious man.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Odd outsider art installations surround a Gold Rush-era ghost town.

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.