Tiki luxury on Nob Hill.

A hand-built folk art installation covered with messages of God's love.

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

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

Towering basalt columns, a creation of fire and ice.

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

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

The rocks in this arid basin leave trails of movement behind them.

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

Olfactory delights in San Francisco's Botanical Gardens.

A library of rare occult books in Los Angeles.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

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

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

A prohibition-style speakeasy takes up residence in the last Victorian residence in Hollywood.

Its buzzing collection honors vibrator history.

A trash dump made beautiful by nature's power.

Rainbow-hued local gem in Venice.

The only theatre in the world constructed specifically for sound movement.

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.

A one-of-a-kind collection of a unique medium.

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

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.