Once the site of seances, this restaurant is said to be haunted by several ghosts.

An unrealized dream to wirelessly electrify the entire Earth.

This house was used by the FBI to broadcast disinformation to the Nazis during World War II.

Starting in 1961, Brookhaven National Labs regularly irradiated a section of forest with a canister of Cesium-137 to study the effects of hard gamma radiation on an ecosystem.

The second-largest (of only two in the world) large particle collider is the underdog of experimental physics.

The site of a tragic massacre that spawned a multimedia franchise.

Nature has shaped this drainage tunnel into the digestive tract of a mighty beast.

Not your typical pet cemetery.

This set of three large, volcanic hot springs is a favorite haunt for intrepid divers.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

The site where a nuclear bomb was lowered over 8,000 feet underground and detonated as an experiment in natural gas extraction.

Abandoned silver mine strewn with wrecked and twisted structures.

At one time this small mining village was the highest town in America but now it sits abandoned while the mine churns on.

This deserted Gold Rush town is home to a Masonic lodge that, strangely enough, still holds meetings.

Once an ancient sea, this landscape of rocky ravines is filled with the fossils of ancient marine life.

This 100-foot tall bluff located in the western plains of Kansas overlooks a massive reservoir.

This 41,000-acre wetland complex is the largest marsh in the interior of the United States.

A unique attraction and museum dedicated to exploring iconic roadside structures.

This artsy public restroom is shaped like a giant john.

The first "Hut" was actually a small brick building.

This historic cliffside mansion uses a natural cave for air conditioning.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

An urban forest overtakes what was the greatest failure of utopic urban housing.

The first rural cemetery west of the Mississippi is home to the elaborate tombs of St. Louis' local beer barons.