Once the longest bridge in Ireland, this rusting span sits abandoned and overrun by nature.

This entire town moved to a safe location after it was devastated by an earthquake, but the remains of the original town are still around.

In the heart of Brigham Young's promised land sits a festering plot of industrial ruin that has been claimed by society's outcasts.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

This hidden rooftop garden in downtown London offers a quiet respite from a bustling city.

Near Birmingham, England three and a half miles of top-secret tunnels housed a World War II “shadow factory” and a Cold War nuclear bunker.

"There's nothing there," and other lies the KGB told us.

Abandoned railway line circling the city of Paris.

The remains of a failed subway in upstate New York is now an underground graffiti bunker.

In paradise, feral pigs have claimed an island all to themselves.