The ruins of a cotton mill that was burned in the Civil War are still hidden in a Georgia forest.

A new kind of theme park for adults off the Las Vegas Strip.

35,000 grape hyacinths flow like water down a garden hill.

This black shoreline is made up of exploded lava particles.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

Garden dedicated to native carnivorous plants and site of huge flytrap heist.

The entrance to this sinisterly named tunnel hides behind a Tim Hortons.

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

A storefront museum in Asbury Park honoring the Jersey Shore’s deep history of mystery—including the Jersey Devil.

A small storefront museum explores the history and myth of West Virginia's famous urban legend.

Ruins of a Carnegie family mansion on Cumberland Island.

An unoccupied lighthouse encased in layers of ice from the waters of Lake Erie.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

Gnarled canopies of pink and purple wildflowers arch over the trail to the summit.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

The ruins of this antebellum sugar plantation are the end result of a Seminole attack during the Florida Wars of 1836.

Bad farming practices caused this unnatural natural wonder.

An abandoned vacation home spent a decade taking on legends. It's now taking on water.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

This legendary "evil" doll has been haunting the citizens of Key West for over 100 years.

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

A once grand hotel is being retaken by the wilderness it once capitalized on.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.