A 13,000-year-old mastodon skeleton was found during the construction of a 19th-century New York mill.

The lost town of Neversink, sunk by New York City.

Protecting the future of some of the rarest and most misunderstood mammals of North America.

The remains of this hell for leather wild west town can still be found in the Arizona desert.

A stealthy Apache hideaway that became the haunting site of a mass grave.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A slab of sandstone covered with mysterious 1,000-year-old rock carvings from a vanished North American culture.

Prison made famous by The Shawshank Redemption has been out of commission since 1990.

The childhood home of a Hollywood legend.

An unassuming 13-acre park is home to over 12,000 roses.

The only remnant of a small mining town is an abandoned railroad tunnel that is steeped in ghostly lore.

In the middle of an abandoned stretch of old Route 50 lies a tombstone that weighs three tons.

The site of the worst mining disaster in Ohio's history.

A favorite of Amelia Earhart, ranking among those rare bridges that can be crossed without changing sides of the river.