A man-made island in scenic San Francisco Bay.

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

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

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

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

A winding path built in secret on the edge of the continent.

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

Prone to disastrous fires, the city of San Francisco has the Guardian, a fireboat gifted by residents, to watch over them from the bay.

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

A pair of mutilated bronze octopuses slump at the base of the monument honoring California's admission to the U.S.

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

Golden Gate Park's historic collection of plants.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

This private residence was the template for one of the most beloved television homes of all time.

The oldest lawn bowling club in the United States.

This shop specializes in oddities and Victorian-inspired wonders.

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

One man's prolific, decade-long quest to turn trash into artistic treasure.

The rusting remains of the largest assembled WWII fleet on the West Coast.

Low-frequency noise compared to an idling train can only be heard by some of this industrial town's residents.

If astronomy had a ghost, it would look like this observatory.

The history and future of cannabis.

Hamburgers are intensely proud of their tunnel beneath the river.

Copenhagen's celebrated theme park and gardens.