An art deco ice cream shop covered in vintage train station tiles.

Where beautiful signs live on forever.

Genesis of modern hydroelectric power.

Toxic waste disaster that founded the Superfund program.

This former small town was destroyed not by the motor oil it sprayed the ground with but by the toxic waste that was added.

The extensive collection of an amateur naturalist.

This abandoned factory on the Hudson River once churned out a million bricks a week.

Art deco landmark on the outskirts of Washington, D.C.

Once the supplier for noteworthy projects like the National Cathedral, this old brickworks now lies abandoned.

The remains of this early 20th century refinery loom on a mountainside like a graffiti-covered fortress.

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

A derelict bit of transportation infrastructure hidden in the woods.

A cave 150 feet beneath Kansas City is the perfect climate for growing 10,000 delicate orchids.

An abandoned concrete jungle surrounded by a lush park.

The historic home still shows the scars from a little run-in with the British in 1813.

A wrecked ship dating back to the American Revolution was only recently discovered off the Delaware coast.

This giant temperature attraction created some giant electric bills.

A former utopian healing center created by a huckster and built by derelicts.

A volcanic tunnel illuminated by natural skylights offers a shaded respite from the desert sun.

Step back in time at this 1950s display home, built to showcase once cutting-edge electric amenities.

An abandoned factory along the Mississippi coated by a giant mural.

A kitschy, creepy St. Louis mainstay.

Less a museum than a bizarre fantasy world created by artists and engineers.

One of few surviving standpipe water towers in the U.S.