Created in 1972, the famous sculptor's intricately detailed monument to San Francisco is overflowing with city landmarks.

Art in the form of a winding, man made crack in stone.

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

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

The key to turning shifting dunes into the green oasis of Golden Gate Park.

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

Early prototype for Frank Lloyd Wright's Guggenheim.

Gold Rush ship-turned-hotel buried underneath San Francisco's financial district.

A speck of nature and art in one of San Francisco’s most notorious neighborhoods.

Adolph Sutro's little-known, geographically inaccurate, deprecated monument.

Fonts are born and bred here at the oldest letterpress type foundry in the United States.

The miraculous hydrant that saved the Mission District in 1906.

A promotional sun clock on the site of San Francisco's great raceway.

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

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

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

The stones that traveled from Spain to eventually become a holy place for San Francisco's nature worshippers.

A Barbary Coast watering hole built into a Gold Rush shipwreck.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

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

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

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

Its buzzing collection honors vibrator history.

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