Rusting away on the edge of New Jersey are the remains of a Cold War missile launch site.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

Step inside Lucy, the world's largest "elephant."

Step into Monet's world at this fine-dining restaurant in the middle of a New Jersey sculpture park.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

A "house to which to flee" for settlers in colonial Pennsylvania.

One of the first commercially successful anthracite-powered iron-making operations in North America.

A smaller model of the Da Vinci sculpture that took 500 years to come to life.

The famous bell was secreted away and hidden in a church in Allentown during the British occupation of Philadelphia.

One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

Three playfully immersive mini golf courses let you travel alongside your ball to the cup at this facility, which has been around since the 1950s.

A stone marker memorializes the spot where the King broke up a street fight with a classic karate stance.

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

A bizarre house filled with an astounding array of collections.

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