This icon of the Atomic Age now lays dormant.

An ode to filmmaker George A. Romero, who used the mall to film an iconic horror movie.

"A hideous albatross in the Hudson River Valley."

An abandoned castle owned and ignored by Masons carries a cursed history.

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

A castle built by an eccentric medieval enthusiast in rural Ohio.

This splendid Versailles-inspired mansion has the largest French-style formal gardens in North America.

Hundreds of protractors affixed to surfaces all over the city.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

For decades, it has disappeared and reappeared as water levels rise and fall.

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

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

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.

Mysterious rocks that ring musically when struck.