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

Visible below the waves are memorials to the city's Gold Rush dead.

A modern mechanical planetary system, part of a 10,000 year clock.

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

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

An essential stop before plundering, BYO Cutlass.

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

Eons old volcanic activity created one of the most stunning rock formations in the United States.

Experience a quartz crystal sound bath inside a storied, all-wood sound-chamber.

This serene oasis in an affluent Los Angeles neighborhood holds some of Gandhi's ashes and got Elvis into Eastern Philosophy.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

Canyon walls shrouded in ferns.

Rainbow-hued local gem in Venice.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

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

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

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

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.

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

A look into the Church of Scientology's deeply unfavorable view of psychiatry.