Popular river that runs through the remote Serbian municipality of Leskovac.

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

Space-age monument to an early 20th-century uprising.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

What happens when you cross a mayor and a painter?

A futuristic, brutalist masterpiece that is also strangely prison-like.

On top of a resort town as old as the Bronze Age sits an incredible war memorial statue overlooking the beaches below.

These warring psychedelic crags commemorate an unsuccessful military operation.

A bridge destroyed three times: once as a ruse, then in an actual attack, and finally for the movies.

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

A forgotten monument to Yugoslavian freedom.

Yugoslavia's biggest underground airport lies in ruins.

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

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