The fossilized remains of ancient California redwoods.

Nursery with extensive collection of flesh-eating plants operated by the author of "The Savage Garden."

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.

A stellar example of Art & Crafts architecture, and a movie set to boot.

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

Concrete strongholds stand guard over the Golden Gate.

A working model of the entire San Francisco Bay and much of the Sacramento River Delta, complete with regular tides that change every 14 minutes.

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

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

Depicting scenes of everyday life - and specific individuals - in Great Depression era San Francisco.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

Once the gateway to the utopian dream-village of a Civil War embalmer.

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

This turn of the century masterpiece has a mysterious goaty interloper.

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

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

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

An artsy hidden staircase leads to breathtaking views of San Francisco.

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

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

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

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

A huge musical instrument played by the ocean.

San Francisco’s century-old Christmas Tree.