Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

Fantastic collection celebrating the final send-off.

The secret city built by the Manhattan Project.

Tour the sci-fi-esque reality of governmental disease management.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

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

The lush coastal city of Astoria is riddled with forgotten secret sidewalks.

Located on 420 acres in the high desert, this spiritual center is dedicated to the "science of the future."

Mutant vegetables, transgenic mosquitos, and atomic rodents span the walls of this one-of-a-kind museum.

A house built from trash known as the poor man's Hearst Castle.

Decades after testing the polio vaccine on unwitting patients, this historic mental hospital sits in ruin.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

An institution that preserves the history of institutionalization.

Jule Körner's house full of bizarre architectural details.

A priceless collection of the Nation's cryptologic history.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

A secretive collection featuring objects that were designed specifically for U.S. intelligence operations.

Magical-looking cottages that inspired one of the most famous animated films ever.

Unlock the secrets of the conjuring arts.

A collection of full-size movie monsters opened to the public.

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

The location of the last stand of Charles Manson's doomsday cult.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

A local farm's collection of unusual structures from a now defunct storybook amusement park.