A former mental hospital founded in the 1930s by a eugenicist who advocated for the forced sterilization of patients.

This abandoned amusement park was built on a site with a dark history.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

An abandoned 1920s school with a mysterious history.

This abandoned school has had many lives since the early 1900s, and all of them doomed.

A former Oz-themed attraction that has fallen into disrepair, but still holds some of the original magic.

The world's largest fully steerable radio telescope.

Take a steam-powered ride straight out of the past on this Appalachian rail line.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.