Edison's cast-in-place concrete houses were a failure, but way ahead of their time.

100 massive sculptures in the Hudson River Valley.

A 19th century hat factory still stands as a crumbling ruin in upstate New York.

Home to the abandoned Tioronda Hat Works Factory, this park is a combination of woodlands and marshlands.

This abandoned factory on the Hudson River once churned out a million bricks a week.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

Legends surround this jagged rock formation in the New Mexico desert.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

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.

Where the embers of the Big Bang were first detected.

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

A 56-foot tall statue of the god of fire looks out over Birmingham, Alabama.

The metal spire on the roof of this tower was intended as an airship docking station, but it was never actually used.

In 1911 this intersection was called "the heaviest corner in the South," and outlandish claim that only grew wilder over the years.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

An outlandish shoe shaped house built by an eccentric millionaire.

A pair of black granite tails dive into a sea of grass in landlocked Vermont.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

This large cemetery is known as the museum of granite sculptures.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.