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

Join the circus for a few lessons to learn clowning, acrobatics, and Chinese contortion.

Golden Gate Park's historic collection of plants.

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

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

Alleyway plaque commemorating the death of a fictional character in The Maltese Falcon, not far from the author's home.

This turn of the century masterpiece has a mysterious goaty interloper.

A library built during San Francisco's pioneer times is a student's retreat, bibliophile's sanctuary, and chess player's delight.

A historic hotel that made a cameo in Hitchcock's classic film has no intention of letting guests forget its fame.

A 300-ship graveyard, with a few still visible at low tide.

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

A monument to the love people have for their pets.

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

The remains of a ruined mansion memorialize the 1906 earthquake.

Tiki luxury on Nob Hill.

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

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

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

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

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.