This glamorous old building is said to have inspired the Tower of Terror.

An unfortunate geological resemblance to Satan has labeled this Pasadena gorge as a passage to the underworld.

An essential stop before plundering, BYO Cutlass.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Quite simply the largest tree in the world (by volume).

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

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

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

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

A museum befitting the city responsible for supplying the majority of the world's LSD.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

A hotel and restaurant serving as the mecca of kitsch.

A strange house built only at night, with rumored mystic inspiration.

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

Its buzzing collection honors vibrator history.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

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

Resting place of Hollywood's immortals is also site of summer film screenings.

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

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.