Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

An abandoned stretch of highway, deteriorating next to the operational one.

A Saint Nicholas-themed ghost town in the Mojave desert.

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

The museum calls itself the "National Museum of the Paranormal" and is full of eerie oddities.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

This maze-like slot canyon is a unique gem within an already fascinating geological area.

An entire town preserved as a historic landmark.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

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

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

An alternate history park where the Union Army loses the war... to dinosaurs.

Hidden for 165 years inside a building designed by Thomas Jefferson are the remains of what may be America's first educational chemistry lab.

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

This amazingly preserved Gold Rush town is a historian's dream.