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

Yugoslavia's biggest underground airport lies in ruins.

This former estate of a fascist leader is now a burnt out ruin leading to a system of secret tunnels.

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

These warring psychedelic crags commemorate an unsuccessful military operation.

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

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

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

This memorial park stands on the site of one of the largest mass executions of the Second World War.

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

Bridge that died in war and was resurected.

Inat Kuća, or "House of Spite," is more than just an oddly named restaurant.

A number of craters left by fatal mortar strikes have been filled with red resin to remember those lost during the Siege of Sarajevo.

Oriental bazaar in the heart of Sarajevo.

Place with alleged mystical powers in Old Orthodox Church in Sarajevo.

This historic cemetery was inaccessible for several years due to dozens of land mines.

Some of the best-preserved specimens of the monumental medieval tombstones found throughout Bosnia and Herzegovina.

A war-torn Olympic relic is being overtaken by graffiti and nature.

The remains of the last Bosnian fortress to fall to the Ottomans are still standing.

This scale model of our solar system hid in plain sight for years before a physics team sought out all the planets.

An homage to the medieval rulers of Bulgaria.

An ancient Thracian city where fire rituals were practiced on the largest cult altar in Southeast Europe.

Said to be the only museum in the world dedicated to the most classic of all blooms, the rose.

In a long-dry lake bed, these groups of massive stone pillars bear a striking resemblance to clumps of everyone's favorite fungi.