This abandoned Greek island was the last active leper colony in Europe.

This famous archeological mystery may be an ancient example of movable type.

A small island with shimmering pink sands, home to loggerhead turtles and rare plants.

The oldest olive tree in Greece has been bearing fruit for at least 2,000 years.

Cretean quarry suggests real-life site for ancient Greek myth of the man-eating Minotaur in his labyrinth.

According to myth, Zeus himself was hidden in this cave to escape being eaten by his dad.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

A marvel of technology a century ago, this disused power station now offers a lovely glimpse into the industrial design of the past.

The abandoned "Red Star Train Graveyard" is the final rusting place for precious artifacts of train history.

This off-beat, quirky communism-themed bar isn't afraid to poke fun at its history.

The complex has been abandoned since the Croatian War of Independence, barring a stint as a set for 'Game of Thrones.'

Dine amidst exotic plants at this former royal greenhouse.

The resting place for anonymous victims of the Danube's dark waters.

Handsomely crafted representations of our round planet.

The topiary maze at the Habsburg hunting lodge.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

The beautiful baroque library of the Hapsburg empire.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

A whimsical bridge adorned with decorative dragons.

A series of playful yellow penguins share a serious message about the environment.

Walk through Czech history in Prague's largest graveyard.

An abandoned swimming pool decays on the outskirts of Berlin.

Berlin's oldest surviving academic architecture hosted decades of animal dissections.