Mysterious craters may have been home to an ancient cult.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

A secluded oasis of contemporary art and natural beauty.

This no man's land slicing through the island is strewn with abandoned relics of another time.

The ruins of a fairytale castle with a tumultuous history stand high atop the mountains.

A crumbling ghost town with prime views of the dam that doomed it.

This 700-year-old Cyprus castle is the birthplace of the world's oldest wine, said to be toasted by Richard the Lionheart at his wedding.

For nearly 2,000 years this church has been waging war on local snakes by importing cats.

Once part of an ancient international harbor, it's now an all-you-can-eat shrimp buffet for flamingos and other water birds.

A magical museum of fairy tale treasures near Cyprus' buffer zone.

This ancient Roman aqueduct once funneled water to Diocletian's palace.

Built as an anti-fascist tribute, this surreal Yugoslav memorial became an unwelcome symbol after the Croatian war for independence.

Just a few miles from Novalja, a strange geological oddity has left scientists baffled.

A forgotten monument to Yugoslavian freedom.

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

Croatia's towering concrete blossom grows from the site of a World War II concentration camp.

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

Longest fortress system anywhere in Europe.

One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

This huge metal monument is slowly being stripped to its concrete skeleton.

Yugoslavia's biggest underground airport lies in ruins.

This stunning, out-of-the-way Croatian monument commemorates a community's uprising against occupying fascist forces.

A musical instrument played by the sea.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.