The rocks in this arid basin leave trails of movement behind them.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

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

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

A huge musical instrument played by the ocean.

The stones that traveled from Spain to eventually become a holy place for San Francisco's nature worshippers.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

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

A winding path built in secret on the edge of the continent.

A 30-acre garden inspired by the principles of modern physics.

Eclectic collection of dark and macabre antiques.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

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

Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.

Law-protected wreckage serves as a peculiar memorial for an almost forgotten World War II tragedy.

A vast city of the dead, where the deceased outnumber the living by more than a million.

A 300-ship graveyard, with a few still visible at low tide.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

San Francisco's newly reopened hands-on science museum.

An essential stop before plundering, BYO Cutlass.

Furniture tries to escape an abandoned building in San Francisco.