Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

A DIY art gallery/music venue/lecture hall dedicated to video game culture.

A self-built castle made by a mysterious man.

This little museum is built on a theater that was once a wildly elaborate speakeasy.

A hands-on traveling collection of the innovative devices of yesteryear.

An underwater city for the dead.

The world's largest collection of witchcraft regalia.

A rare view of a preserved Victorian science museum.

A prohibition-style speakeasy takes up residence in the last Victorian residence in Hollywood.

A dilapidated dock tells the story of Titanic's missed arrival.

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

Banksy gives themself artistic license with this piece of London street art.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

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

A museum dedicated to the history and exploration of both popular music and science fiction.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

Shop selling 500 flavors of soda has something for everyone.

The sign at the garden gate reads: "These Plants Can Kill."

Try not to get slimed in Tribeca.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.