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

The largest self-built castle in the U.S., six decades in the making.

The angel of death appears to weep black tears at this grave marker.

One part antique store, one part curiosities hodge-podge.

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

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

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

An acoustic anomaly with a mysterious cause.

A museum dedicated to the alleged Roswell Incident.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

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

This lab's maddening silence is good for business but bad for sanity.

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

Odd outsider art installations surround a Gold Rush-era ghost town.

Home of an evil witch famous within southern folklore.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

This shop for all your super spy needs hides an educational secret.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.