Most famous work of one of Frank Lloyd Wright's sons.

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

This glamorous old building is said to have inspired the Tower of Terror.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

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

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.

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

Carved by a waterfall in a hard-to-reach rock formation, this heart-shaped rock has inspired romantics for decades.

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

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.

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

A hotel and restaurant serving as the mecca of kitsch.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

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

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

A castle that was built stone by stone by an eccentric journalist.

A strange house built only at night, with rumored mystic inspiration.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

Towering basalt columns, a creation of fire and ice.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

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

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

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.