This California museum is home to one of the largest collections related to the 'Treasure Island' author.

The unedited photograph called "Bliss" has graced the screens of over a billion computers.

Where the polar bear watches over everything, and every drink is a double.

A storybook European village in Berkeley.

The century-old bell and clock tower at UC Berkeley is the third-tallest in the world, and has fossils.

This subtle Berkeley paving stone actually marks off a lawless tube of air that extends into space.

Masterful ceramic fountain and map of the Pacific Basin.

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.

This Japanese treats shop may have been the first business to mass-produce fortune cookies in the United States.

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

Tiki luxury on Nob Hill.

This teeny-tiny park built by a San Francisco man in 1962 is mostly stairs.

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

Visible below the waves are memorials to the city's Gold Rush dead.

At the base of the Golden Gate Bridge, a small sign basically begs for a high-five.

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 hidden gem, named after a San Franciscan icon, offers spectacular views of the Pacific Ocean.

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

Thirteen trees representing the original thirteen colonies were planted with soil from historic Revolutionary battlefields.

The remains of a 12th-century chapter house in Golden Gate Park.

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