This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.

This sprawling Belgian fort was once thought of as impenetrable but now it is simply an abandoned relic.

A Cold War command center is hidden under an idyllic countryside.

A moving memorial to the fallen and missing from WWI trenches.

Visitors to this Belgium graveyard are greeted by the grieving stone parents of the young men lost to war.

The world's tallest boat lift stands as a massive piece of industrial tourism.

A garden of flying flowers.

Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Theme park featuring miniature replicas of European monuments.