Oldest building in California still in use.

A small sculpture garden that provides a microcosmic representation of California.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

Jesus' footprints and the first catacombs in the world.

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

A hotel and restaurant serving as the mecca of kitsch.

An enormous illuminated figure dances on the Las Vegas strip.

A man-made island in scenic San Francisco Bay.

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

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

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

A psychedelic labyrinth on the San Francisco bay.

The site of murders and Satanic cult gatherings.

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

Few other hotels can rival the grandeur of the Castle in the Rockies.

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

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

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

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

Hundreds of skulls and bones at the largest skeleton museum in the country.

A small, peaceful sculpture garden with a grim memorial to a disaster that took place a few blocks away.

A collection of comics, graphic novels, animation and caricatures devoted to exploring this often overlooked art form.

A toy store with a century-long history preserves the craftsmanship of playthings of the past.