Arcadia is home to a haven for nature geeks and 80s TV lovers alike.

A cozy bookstore is tucked within an old gold mine shaft beneath the cafe and ice cream shop.

The liveliest ghost town in the state.

An artsy hidden staircase leads to breathtaking views of San Francisco.

Shop selling 500 flavors of soda has something for everyone.

San Francisco's oldest operating hotel, with a Victorian atmosphere and a "haunted" fourth floor.

Coastal dunes, site of buried Egyptian movie set and former utopian colony.

Travelers leave tea kettles in a remote part of Death Valley as part of a mysterious, decades-old tradition.

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

A house built from trash known as the poor man's Hearst Castle.

This 19th-century church is now a popular roller rink.

Where the line between entertainment and aerospace blurs.

A giant donut stands as a popular symbol of Los Angeles iconography.

A fake town founded by Western movie stars is now becoming a hip desert community.

This impressive tunnel was dug entirely by hand over the course of 36 years.

The ruins of the castle that chemicals built.

A library and museum dedicated to typography.

A ruined hotel with an unlucky history and an eerie present.

A little barn in the middle of the city preserving Hollywood treasures since 1985.

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

A Barbary Coast watering hole built into a Gold Rush shipwreck.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

This partially buried wreck is one of the most complete of its kind but is only revealed when the sea allows.

An optical illusion found amid a logged redwood forest.