Huge masonic hall in Philadelphia with lavishly themed rooms.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

Bar full of oddities, specimens, artifacts and homages to the great dime museums of the past.

This fairy tale-themed amusement park is now abandoned, and childhood metaphors abound.

The kind of mixed-up place that drives archaeologists crazy.

A beautiful Victorian-era cemetery, complete with a miniature village.

The remains of a hospital ravaged by fire, once a progressive place of innovations for disabled children.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

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

Three prestigious academic collections come together to create a world-class natural history museum.

The self-proclaimed world's smallest museum, located next to a Massachusetts sandwich chain.

A cave dug by a man directed by ghosts to find pirate treasure.

The macabre graffiti spectacle in a quarry in a Massachusetts forest reservation.

19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!

Palatial mansion estate used in films including "Flowers in the Attic" and "The Witches of Eastwick."