Once the fastest ship from San Francisco to Tahiti, the Galilee now lays in pieces in three different cities.

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

This quirky roadside attraction dives into the many theories surrounding North America's most infamous hairy cryptid.

Housed in a memorial lighthouse, this museum relays the history of surfing, beginning with the antics of royal Hawaiian teenagers.

The only visible piece of San Francisco's most famous shipwreck.

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

Half of a house.

27-room home built with the fortune of a sugar magnate.

The grand, column-fronted, sculpture-adorned home of the ambitious digital library.

This sailor's boneyard was lost under a parking lot for decades before being rediscovered.

A 300-ship graveyard, with a few still visible at low tide.

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

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

The sole surviving relic of the San Francisco neighborhood cobbled together from old horsecars and streetcars.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

This partially buried wreck is one of the most complete of its kind but is only revealed when the sea allows.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

An overlooked and unassuming engineering marvel.

Gold Rush-era tombstones line the park's paths.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

The restored and active Victorian-era final resting place of San Francisco.

This concrete ship has had four careers - World War I tanker, floating amusement park, fishing pier, and artificial reef.

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

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.