This museum explores the grim reality of life in the earliest British colonies in America.

The taxidermy remains of the most popular pony in children's literature.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

The land is home to swimming ponies and a legendary 18th-century treasure.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

Yo, Adrian!

An Irish Memorial commemorating those who perished due to potato blight.

This elaborate towering structure was once famed for its revolutionary height.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

The first American department store, and home to the largest operating musical instrument in the world.

Current docking place of the SS United States, the fastest transatlantic ocean liner.

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

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

World War II bunker still standing on the New Jersey beach.

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

The remains of an old sawmill, gristmill and the surrounding industry dating back to the 18th century.

In the woods of New Jersey lie the ruins of a munitions village abandoned after World War I and the remnants of a 1920s wooden racetrack.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.