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

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

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.

An ethereal glowing blue ocean cave in Croatia.

Arguably Belgrade's only example of pure Art Deco architecture.

One of the most important fortresses along the Danube now lies in ruins.

This medieval fortress guards a monastery near the border of Serbia and Montenegro.

Considered an architectural abomination by some, this metal-clad building is known as 'little red riding hood' by locals.

Zastava automobile sculptures and images grace various gravestones in this cemetery.

One of Serbia's oldest luxury hotels and a nostalgic echo to Yugoslavia in the state's former capital.

Two buildings named after their windows that make it look like a sea of television sets plastered to a wall.

Memorial to the victims of the Holocaust in Serbia.

It may seem a little out of place in a tiny village, but the inspiring story of its creation made headlines.

The first European statue dedicated to the legendary musician.

These unique sculptures form a musical ensemble of recycled metal.

This former monastery is still a revered religious site.

The ruins of a military-industrial complex now host concerts and more.

This feat of Brutalist architecture is also known as the Three Sisters.

This art installation pays homage to the famed stones of European lore.

This beautiful medieval Serbian monastery is home to frescoes, peculiar sculptures, and historical curiosities.

Different sections of the Zemun Fortress were built in the 14th and 15th century as a response to the advance of the Ottoman Empire.

An 11th-century Byzantine church with medieval Serbian history and spectacular views.

Ruins of an old water tower that look like a horror-film castle.