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

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

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

Inside this museum, the history of the Walt Disney Family empire is on full display.

A monument to the love people have for their pets.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

Guns that have been defending San Francisco since 1904.

A huge musical instrument played by the ocean.

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

Floating man-made island and upscale restaurant.

An enormous artwork that colorfully celebrates over 150 years of US military achievements.

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

A man-made island in scenic San Francisco Bay.

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.

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 humble garage, world-famous for being the epicenter of a technology revolution.

The world's most famous donkey lives in this pen.

This odd California folly seems like it was almost designed to accumulate urban legends.

This airfield played a key role in both World War II and the Cold War.

A giant can of fruit cocktail is all that remains of what was once the world's largest cannery.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

This concrete ship has had four careers - World War I tanker, floating amusement park, fishing pier, and artificial reef.

A New England-style lighthouse along California's beautiful Highway 1 gets a re-do.