Memorial built in 1922 in remembrance of WWI casualties.

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

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

Rediscovered after a century, the father of the American Navy was reinterred in something dredged up from Davy Jones' Locker.

A scenic fort on the harbor protected Philadelphia from an attack that never came.

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

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

One-time largest man-made structure in the world will be a park in 30 years.

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

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.

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

Rising out of a clearing in New Jersey's Pine Barrens is an Aztec-inspired monument to the "Lindbergh of Mexico."

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

These 20-foot sculptures will help guide you from the local train station to the local sculpture garden.

A unique sculpture park that specializes in the huge and bizarre.

How this Pine Barrens hill got its name is uncertain, but on a good day the view from the fire tower is crystal clear.

The site of one of history's most indelible and horrific tragedies.

One of the oldest of its kind.

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

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

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

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

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.