A comprehensive collection of Pez dispensers.

This controversial depiction of the "Founder of California" looks as though it was sculpted from mashed potatoes.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

A fine mixture of the old and the new topped with an art deco neon spire.

Humboldt's human-powered sculptures race across land and sea for days on end in a wacky quest for dominance.

Folk art crafted from discarded vegetable crates.

Commonly referred to as the most photographed Victorian home in the United States.

The space-age building is home to one of the few remaining rotating restaurants in America, and the only one that inspired a 1980s sitcom.

This hilltop park offers magnificent views and a Frank Lloyd Wright masterpiece.

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

Deco Modern sculptures of the people of the Pacific, cast for the 1939 Golden Gate International Exposition.

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

Only hotel where you can legally launder money.

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.

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

Faceless white figures loom over the city from the rooftop.

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

An enormous illuminated figure dances on the Las Vegas strip.

A man-made island in scenic San Francisco Bay.

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

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

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

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