This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

A monument to the art of slicing people open.

Delicate Wurlitzers, creepy clowns, and The Noid all share space in this insane explosion of kitsch history.

Arlington Cemetery exhibit dedicated to death and grieving.

Where America's first doomsday cult awaited the end of the world.

This museum boasts a bucket of teeth and tells the tale of a 20th-century dental circus.

America's first serial killer rests in anonymity.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

South Philadelphia is home to Keith Haring's only surviving in situ collaborative public mural.

The world's third-largest crystal sphere has sat in the Penn Museum since 1927 with the exception of one outlandish theft.

A layered tribute to the work of mosaicist Isaiah Zagar.

Century-old shop, specializing in Occult products.

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

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

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

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

Journey through vintage Americana inside this small Massachusetts shop.

The exact whereabouts of this surreal cabinet of curiosities are rarely the same place twice.

Grand opera on a miniature scale.

A 19th-century shrine covered with prosthetic body parts as votive offerings.

This New Orleans boutique and nursery specializes in rare flora, with a focus on carnivorous plants.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

A snapshot of the city's fascinating voodoo culture.