California's own majestic geyser is powered by a subterranean volcano.

A deserted hodgepodge of experimental structures designed by nearby university students.

This opulent hotel has been visited by Spider-Man, Charlie's Angels, and the Ghostbusters.

A world-class observatory in the California desert.

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

The fossilized remains of ancient California redwoods.

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

This private residence was the template for one of the most beloved television homes of all time.

The unbelievably opulent home built for an infamous newspaperman.

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

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

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

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

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

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

World-famous, Pink's still manages to keep its prized cult fetish status.

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

A hotel and restaurant serving as the mecca of kitsch.

Towering basalt columns, a creation of fire and ice.

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

The ghostly remains of an accidental sea.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.