A rare view of a preserved Victorian science museum.

Its buzzing collection honors vibrator history.

A museum befitting the city responsible for supplying the majority of the world's LSD.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

Home to items never before seen by the public.

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

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

A floating cat sanctuary on an Amsterdam canal.

The only rotating bar in New Orleans has been slowly spinning since 1949.

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

Eighteen miniature death-scene dioramas.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Two stunning 17th-century libraries and a cabinet of curiosities.

An emporium for the weird, creepy, rare, and just plain gross.

A museum of carnival attractions where you are invited to ride the rides.

This shop for all your super spy needs hides an educational secret.

A 16th-century horror show built in a lovely Italian garden.

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

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

The fairy tale castle of the "fairy-tale king."

A tongue-in-cheek arcade where the games are based on everyday life.

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