Once the home of a hermetic monk, this cave now houses a small church.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

An Orwellian sculpture with eyeball cameras watches passersby.

Baroque celebration of the end of the Great Plague of Vienna.

These morbid carvings remind churchgoers of the inevitability of death.

Next to the Leaning Tower of Pisa is a cemetery home to ancient sarcophagi and disturbing murals.

The haunting concrete remains of a Nazi pebble crusher can still be found in this small French commune.

Folklore and history carved into Brittany's coast.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

This symbol of the French Revolution still stands where it was first planted during the 18th-century.

Deep in the limestone cliffs of the Alabaster Coast, a German fortress built during World War II.

His "Lionheart" is entombed separately from the rest of his body.

An ancient ossuary in Rouen.

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

A quaint medieval millhouse hovers surprisingly above the waters of the Seine.

A century-long search for a church that was never there.

As lake waters recede, a German village reemerges after more than a hundred years.

Medieval ruins on a tiny island amid a flooded lake offer romantic respite to lovers seeking privacy.

A two-inch thick solid brass rod that extends an astounding one kilometer straight into the earth.

A modern museum dedicated to the fairytales and dictionary work of the Brothers Grimm.

This German museum is devoted to all aspects of grave culture from headstones to coffins.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

At this cemetery, artists are invited to design their own gravestones.