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

These once-beautiful historic graveyards are set against the barren Virginia City hills.

Bits and pieces from the ill-fated Donner Party's winter cabins.

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

The headquarters of a secretive order is also a beautifully-designed park.

An extensive collection of ancient Egyptian artifacts and mummies.

The fossilized remains of ancient California redwoods.

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

Over 300 taxidermied animals in a Californian restaurant make for a taxidermist's dream and an animal lover's nightmare.

'Cause the fence start shaking, the earth was quaking.

A century and a half of research in the sciences and natural history, still going strong.

Golden Gate Park's historic collection of plants.

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

Furniture tries to escape an abandoned building in San Francisco.

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

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

The haunting ruins of Jack London's dream house.

A huge musical instrument played by the ocean.

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

The former Naval shipyard is open for exploring - mostly.