This lake-bound geographical marker sits at the point where three European countries intersect.

This 2,000-year-old stone maze is one of the oldest in the country, but its purpose is still a mystery.

This patch of land is home to Sweden's largest burial mound, allegedly belonging to a mythical king.

The world's most delightful not-NOT-religion welcomes visitors to the town of Templin, just like its more stoic peers.

Built to transport German U-boats through the never-completed Masurian Canal, the locks near this Polish village are now home to a rope course.

Launch site for nuclear war against Western Europe.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

The 2,000-year-old beam is tucked within the pedestrian entrance to the old London Bridge.

A coal fire has been burning underground here since 1896.

A replica that won't float away.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

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

Berlin's old airport.

This massive Trojan ursine was built to be a new tourist symbol for a small Swedish town.

The Rozenberg wind wall in South Holland makes for smooth sailing through the Calandbrug canal.