The only surviving sidewalk clock in Brooklyn.

Walk into the 19th century without leaving Brooklyn.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

A Beaux-Arts triumph set to become Ford's innovation campus

The home, museum, and death site of Kodak's influential founder.

The Hudson River School comes alive at this palatial estate.

Public outcry led to this bridge's unique character which celebrates a giant frog battle and also sewing.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

This delicate museum is devoted to the art and industry that once supported Cape Cod's oldest town.

Ironically this massive termite is the mascot for a company that is acclaimed for killing his kind.

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

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

The US Navy's only submarine museum is also home to the world's first nuclear submarine.

This small-town pizzeria won the Hollywood lottery.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Oddly shaped rock formation, misassociated with a nearby utopian community.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A museum dedicated to the alleged Roswell Incident.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.