The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

This museum in a Paris apartment gives a unique look at the iconic French singer's life.

Two small chapels housed inside an ancient tree.

A font of vintage porn on the silver screen.

A modern mechanical planetary system, part of a 10,000 year clock.

This eclectic, mosaic-clad home includes a bamboo ping-pong loft and a "Whispermaphones" intercom.

On the highest peak in the Harz Mountains, science and the occult faced off in a failed attempt to turn a goat into a boy.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

A collection of memorabilia from the Beat era in the back of a San Francisco bookstore.

An encyclopedic collection of mammal penises.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

This lab's maddening silence is good for business but bad for sanity.

The mighty room where the poet spent most of her life is available to rent for an hour or two.

This wildly-tiled artist's palace is a living and growing account of the creator's life, loves, and labors.

The studio of Catalonia's most famous theatrical designer remains exactly as he left it.

A wunderkammer of mysterious objects and stories.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

Mirrors and glass shards cover every inch of this arrestingly beautiful mosque.

A Tucson museum and performance space full of found-object movable sculptures.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

This Parisian café sticks almost exclusively to an ethos of reuse.

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