Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

A layered tribute to the work of mosaicist Isaiah Zagar.

World's first "penitentiary," meant to be humane, drove men insane.

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

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

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

This surreptitious shop is only open five hours per week.

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

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

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

With the touch of a button, you can read a randomly selected short story.

The tea room that pushed the boundaries of adorable straight into...we can't find the words.

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

A collection of 20th-century automata, penny arcade games, and musical contraptions.

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

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

A huge musical instrument played by the ocean.

This Japanese Manneken Pis gets new outfits for every occasion.

A cool dive bar, off the beaten track.

Go through the looking glass in Tokyo's Wonderland-themed shop.

Fine dining in the bizarre world of Lewis Carroll.

This Hindu temple is an architectural marvel designed and built according to ancient Indian principles.