The United States Capitol's former columns still stand.

A toxic ghost town sitting atop a massive coal fire.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

Kentucky's anomalous peninsula projecting into the Mississippi River, site of legendary earthquakes and local feuds.

You can climb to the summit of Black Mountain, as long as you sign the waiver.

Origin of the blue-skinned Fugates of eastern Kentucky.

A monument to the “unrecognized dead” of the tragic 1876 train crash.

See the nearly two-century-old ruins of pre-railroad America at the former site of a lock on the Ohio and Erie Canal.

After covering almost 1.5 billion acres, the survey's still not finished.

The failure of one component toppled this entire bridge during rush hour.

One of the few places where you can explore a 1918 paddlewheel steamboat from stem to stern.

This retired stagecoach tavern is the oldest building in Cleveland.

This massive airship factory is so large that it has its own indoor weather.

This recycled wax museum may be the only one that features John Travolta in a Bible scene.

At the center of this cemetery stands a 2,000-year-old burial mound of the Adena culture.

In this relatively flat state the highest point is an honored place.

A throwback train ride transports passengers through one of the lesser-known national parks in the country.

The overgrown remains of an old rail bridge rise above the valley like ancient Greek ruins.

A real flying saucer, contracted by the U.S. Air Force.

A history of tragedy and a pile of eerie stories have contributed to this house's consistent ranking as one of the most haunted places in Ohio.

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

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