San Francisco Bay's ghost town.

The largest permanent Monopoly board makes one of the longest games even bigger.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Barely visible foundations remain where Stow Lake’s “observatory” once welcomed visitors.

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

Adolph Sutro's little-known, geographically inaccurate, deprecated monument.

One of the last remnants of the city's Chinese nightclub scene is now a dive bar selling killer mai tais.

San Francisco's oldest operating hotel, with a Victorian atmosphere and a "haunted" fourth floor.

Half of a house.

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

A monument to the love people have for their pets.

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

Gold Rush-era tombstones line the park's paths.

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

The stones that traveled from Spain to eventually become a holy place for San Francisco's nature worshippers.

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

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

This private residence was the template for one of the most beloved television homes of all time.

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

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.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

San Francisco's newly reopened hands-on science museum.

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