America's only nuclear missile silo open to the public.

One of the largest, oldest, darkest, quietest motel rooms in the world.

The remains of this hell for leather wild west town can still be found in the Arizona desert.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Although now a decaying ruin, this stone cabin's history includes several notable figures.

A partial tunnel blasted into a steep ridge is all that remains of a failed railway across Arizona.

The second tallest railway trestle bridge in America.

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

A park full of outsider art, created by college students studying outsider art.

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

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

The "Gateway to the Arctic" connects Barrow's indigenous population with the sea and its traditional industry: whaling.