The dairy farm in upstate New York where nearly half a million people gathered for three days of peace and music in 1969.

A fictional town that was briefly brought to life before fading once again out of existence.

Fans of vintage Vegas, kitsch, and toy pony-based gambling now flock to a casino called The D.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

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

Once the home of a noted Civil War spy, the two-story brick house now serves as a museum.

A giant time capsule not scheduled to be cored until 2040.

The Grand Ole Opry's big voice came from a small home in rural Virginia where she was eventually buried.

One of the last active volcanoes on the Eastern seaboard.

The oldest arched-covered bridge in Virginia has truly withstood the test of time.

A historic coal mine that doubles as a museum and tourist attraction.

America's post-nuclear-attack chambers of Congress.

An abandoned textile mill that is now home to art and concerts.

The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.

This functioning mill was built in the 1970s using parts from several other West Virginia mills.

This statue in Talcott, West Virginia, is an enduring symbol of American grit.

A field of nothing but boulders which resembles a giant's gravel driveway.

The legacy of the Ohio-founded Fostoria Glass Company lives on in West Virginia.

This university transit system is a 1970s vision of the future.

A historic covered bridge is but one example of an oddly prevalent American urban legend.

This strange, big-tailed beast became a Pennsylvania town's unofficial mascot.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

The solitary grave of a schooner captain killed by lightning while serving biscuits.