Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.

This old-fashioned candy shop, ice cream parlor, and diner served as the setting for one of TV's most controversial series finales.

Memorial built in 1922 in remembrance of WWI casualties.

On the Hudson resides one of the largest clocks in the world.

New Jersey's last historic covered bridge was rebuilt from pieces of the original 19th-century structure.

This tiny structure was built by the creator of the Brooklyn Bridge.

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.

A reservoir of vintage pinball machines and arcade games for the nostalgic and thrill seeking.

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

Once in a state of dilapidation, this candy-inspired fortress is now being revived.

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

A grotesque Fiji merman dwells within this traditional Dutch-style building.

This last stalwart of the now-forgotten feminist restaurant movement has been serving food in an activist atmosphere since 1977.

Thousands of American timepieces on display in the former clock-making capital of the country.

A lone tower rises above the cliffs in a city park, offering fantastic views of the Connecticut landscape.

House used in the 1971 horror film "Let's Scare Jessica to Death."

A parade of antique steeds offers a quirky ride through history.

The author of Uncle Tom's Cabin was neighbors with Mark Twain while living in this Connecticut home.

The world's largest public collection of PEZ memorabilia.

Ruins of a historic medical facility sits eerily by the water.

The world's largest indoor go-kart racetrack is hiding in Connecticut.

Home of Philip Johnson, one of the 20th century's most influential architects.

The ancient past meets the retro-future at these dinosaur tracks that are protected by a geodesic dome.