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

A shining, cold, black organ lies in San Francisco's financial district.

The rustic cabin-like decor of this Arts and Crafts-style church reflects the love of nature central to its little-known theology.

The taxidermied remains of the "last wild grizzly bear in California" and of the symbol of the state of California.

This giant head is all that remains of a once proud statue that survived an earthquake but not a fall off of a wagon.

Guns that have been defending San Francisco since 1904.

The first AIDS memorial chapel in San Francisco and one of only a few in the U.S.

A free, public museum dedicated to the fascinating science of sight.

This print shop boasts one of the largest pinball arcades in San Francisco.

Radioactivity still cause for concern at this urban explorer's paradise.

Recovered from the brink of extinction, at home in the Financial District.

A famous alternative culture epicenter and where Joplin serenaded young hippies.

Over 315,000 preserved amphibians and reptiles in jars.

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

The grand, column-fronted, sculpture-adorned home of the ambitious digital library.

This 19th-century church is now a popular roller rink.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

Tenacious mummies survived dental problems, eternal entombment, and more than their fair share of devastating fires.

Half of a house.

The restored and active Victorian-era final resting place of San Francisco.

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

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

A collection of memorabilia from the Beat era in the back of a San Francisco bookstore.

A hidden subterranean installation offers a view of the sky.