A monument to the art of slicing people open.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

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

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

On Japan's Tashirojima Island, cats are king.

An architectural statement of artistic intent smack in the middle of Providence, Rhode Island's Colonial uniformity.

This 3,500 pound obelisk was constructed with more than 1,000 reclaimed guns.

America's Most Wanted's set resides in this tribute to the history of crime and punishment.

Home to items never before seen by the public.

D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

Books bound in human skin and H. P. Lovecraft's letters are among a few of the treasures this library has to offer.

The headquarters of the famous Yale society.

This small-town pizzeria won the Hollywood lottery.

Two thousand artifacts from around the world collected by one woman who loved to travel.

The land is home to swimming ponies and a legendary 18th-century treasure.

A layered tribute to the work of mosaicist Isaiah Zagar.

This simple convenience store sits on the location where the Ouija board was named—and has a plaque to prove it.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

The man who first patented the Ouija board rests in peace beneath a headstone that playfully reflects that achievement.

This free, take-a-book shop seems like a trick but isn't.

"Try not to knock anything over!"

An alley way dedicated to graffiti and street art is a constantly changing street gallery.