Once used to screen films for theater owners to rent, this historic building is now a start up hub.

With 3,000 bikes on display, the world's largest bicycle museum includes some famous rarities.

This icon of the Atomic Age now lays dormant.

These disused steel furnaces are now haunting ruins that may one day be a national park.

A macabre farm reserved part of its 222-acres for dead bodies, all in the name of science.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

The first home and studio that belonged to the famous architect.

One of the oldest, tallest, and most haunted lighthouses in America.

Used as a military post in three different engagements, this fort has remained incomplete and unfired upon for nearly 200 years.

Allegedly haunted by Walt Disney himself, this inconspicuous lamp is always kept lit in his honor.

A modest walled graveyard where nobody is actually buried.

This replica of a 16th-century French settlement memorializes one of the earliest attempts at a European settlement in North America.

Final remnants of the 1895 Cotton States and International Exposition.

Three hundred years of preserved Spanish colonial history in San Antonio.

A sacred Ojibwe site covered in pictographs next to Lake Superior.

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

This open-air reconstruction of an Old West town, a cross between a theme park and a museum, provides an immersive historical experience.

This site is home to ancient petroglyphs and pictographs dating back to 6,000 B.C.

The tallest waterfall in West Virginia.

An out-of-the-way wildlife haven with a rich and storied past of harboring thousands of fugitive slaves, or "Maroons" during the mid 1800s.

Famous for its bio-luminescent inhabitants, known as "dismalites."

Since it formed millions of years ago, this cave system has been a sacred burial ground, a Prohibition-era speakeasy, and the center of an amusement park.