A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Ride the subways of yesteryear.

In the middle of downtown Brooklyn lies a 165 year old secret hidden right below the surface (closed to the public indefinitely).

A former poultry store that looks like a giant duck and is one of the "seven wonders" of Long Island.

Site of the first official transatlantic wireless communications.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

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

An unknown Hall of Fame in Jackson, Tennessee.

The secret city built by the Manhattan Project.

One man's homage to the orange as realized through a long-term folk art labor of love.

An abandoned quicksilver mining town surrounded by the Big Bend parks.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

This recently rediscovered Civil War-era submarine was the first to ever sink an enemy ship.

"Not too many people can say they've had a nuclear bomb dropped on them, not too many would want to." — Walter Gregg.

Steepest flood safety railway in the entire world.

What better place to take a seat?

Ice cream stand, snack bar, and time capsule of milk conveyance.

A picture-perfect town, perfect for blowing up.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

The only surviving prototype of Buckminster Fuller's revolutionary car.

This is one really big nut.

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

Cannon designed to fire an atomic warhead.

Abandoned anti-ballistic missile base.