A treasure hunter's tiny bar, harboring celebrities since 1959.

An entertaining journey through the odd and strange awaits visitors to this shop.

World's largest collection of serial killer artwork and other macabre exhibits.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A psychedelic labyrinth on the San Francisco bay.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

A huge musical instrument played by the ocean.

This 19th-century museum inside of a lighthouse is only accessible during low tide.

French prisoners carved these boats from the bones of their meat rations.

A rich history stashed behind an unassuming door in the heart of Gold Country.

A museum dedicated to the decorative arts from the 16th through 19th centuries.

Hidden in a hotel parking lot is a strange historical plaque erected by an obscure fraternal society.

An old whaling station now serves to give the public a look at the commercial whaling industry, no longer a part of Monterey's economy.

A museum dedicated to restoring vintage aircraft, located at a working airport.

A porcelain company's former dumping ground, completely covered in pieces of collectible ceramics.

The echoes of a railroad town that solemnly mark the end of the line.

The mall's looks were inspired by the cowboy extras who used to meet up—and cause real trouble—at this Hollywood hub.

Nestled in Coachella Valley, this museum transports guests from the Mesozoic Era, to the land of Egyptian kings.

The oldest U.S. Government building in California, and it's State Historic Landmark #1.

This 19th century train workshop is a treasure trove of railroad history.

A playing field for a popular French past time can be found tucked away in a quiet corner of Golden Gate Park.

A magnificent, reportedly haunted mansion built for a composer by Spiritualists.