This partially buried wreck is one of the most complete of its kind but is only revealed when the sea allows.

The sole surviving relic of the San Francisco neighborhood cobbled together from old horsecars and streetcars.

Forgotten and then destroyed by fire, this was once one of the largest saltwater swimming pools in the world.

This grinning pup statue is all that's left of what was once a ubiquitous Bay Area diner chain.

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

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

Sitting atop San Francisco's tallest hill, a cross honors the victims of the Armenian genocide.

Over a century old, this restored Victorian building is surrounded by a lush garden filled with rare palms.

San Franciscans leave gifts and messages for the magical beings that live behind the tiny, mysterious door installed on a tree in Golden Gate Park.

A quiet marker in memory of local men and women lost in WWI.

Olfactory delights in San Francisco's Botanical Gardens.

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

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

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

California's most comprehensive horticultural library.

A garden oasis filled with flowers mentioned in the works of William Shakespeare.

San Francisco's first World's Fair, dedicated to the wonders of California.

Golden Gate Park's historic collection of plants.

A masterpiece in Golden Gate Park by virtue of the artist’s debt.

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

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

Over 315,000 preserved amphibians and reptiles in jars.

A huge musical instrument played by the ocean.

The legendary statue-hating superintendent of Golden Gate Park is honored with... a statue.