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

The Dover International Speedway is home to a towering, concrete-skinned, racecar-hungry behemoth.

The only thing better than tubing down New Jersey's scenic Delaware River is doing so while eating a hot dog from a giant floating stand.

A blend of art, antiquities, and Americana fill this museum, surrounded by whimsical, enchanting gardens.

This weeping, 10-foot-tall sculpture was a maquette for a 9/11 memorial.

The highest point in Delaware is located under a trailer so this marker across the street will have to do.

Erected in 1697 this Philadelphia bridge is the oldest surviving roadway bridge and perhaps the oldest stone bridge in the United States.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

Where America's first doomsday cult awaited the end of the world.

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

Century-old shop, specializing in Occult products.

The oldest surviving botanic garden in the United States.

One of the oldest of its kind.

The first partially complete dinosaur skeleton was discovered here, forever changing the world's view of the ruling reptiles.

A completely round house designed for the Atomic Age.