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

This residential door allows San Francisco muggles a glimpse at the wizarding world.

A winding path built in secret on the edge of the continent.

This tall and trim architectural oddity is one of the skinniest buildings in San Francisco.

Tiki luxury on Nob Hill.

Half of a house.

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

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

The peaceful gravesite of a rugged wild west gunman echoes the touching story of his last days.

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

A large instrument played by the wind.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

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

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.

This mother-daughter run curiosities shop is a beautifully odd mix of taxidermy and exotic plants.