This secret coastal village is studded with pastel-colored houses all piled on top of one another.

Poseidon? No one seems to know.

Swarms of dainty flying insects swarm into the Petaloudes Valley to get busy.

Seventeen oak trees sprout from the roof and walls of this tiny chapel without any visual evidence of roots.

These ruins in Volvi were once at the intersection of the Eastern and Western Worlds.

Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

Thousands of rusting train cars have been slowly falling apart on the edge of Greece's second largest city.

A quirky bookstore hidden beneath a sea of whitewashed Greek villas.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

This heart-shaped island looks substantially less lovely after a recent bulldozing project.

This abandoned Croatian stronghold never saw a great deal of conflict but it is still a beloved relic nonetheless.

Now abandoned, the world's first torpedo factory is crumbling into the sea.

A tower marking the spot where Yugoslavia began its resistance against the invading Nazis stands neglected, but not quite forgotten.

When Croatia became independent of Yugoslavia, the splintering governments left behind these concrete tunnels.

Formerly Yugoslavia's "forbidden island," this sleepy little city still holds the abandoned remains of military strongholds.

The now-overgrown beach resort was once frequented by Yugoslav military elite.

Once a state-of-the-art tuberculosis treatment spa, these ruins are now ruled by paintball players.

The remains of a sunken military ship wreck visible through clear water.

This truly palatial work of Communist-era architecture now sits crumbling on a Croatian beach.

Yugoslavia's biggest underground airport lies in ruins.

A crumbling World War I fort that is reached through a series of concrete tunnels.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

A 19th-century mansion houses the largest collection of gin in the European Union.

A small but charming botanical garden that contains many exotic plant species.