A Civil War Museum with some notable medical antiques.

An almost life-sized elephant named Ms. Ellie greets visitors at this jumbo-themed museum.

A diorama of the Civil War, fought by cats.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

This recreation of a 19th-century dime museum is full of oddities.

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

The first American department store, and home to the largest operating musical instrument in the world.

The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.

In the early 1800s, surgery was also a show.

Dr Barnes' $25 billion private collection of art and arboretum.

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

Century-old shop, specializing in Occult products.

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

A rare view of a preserved Victorian science museum.

A layered tribute to the work of mosaicist Isaiah Zagar.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

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