Places stenaavel Wants to Go

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

An eclectic art form practiced by untrained masters is celebrated at this museum in the heart of Zagreb's old Upper Town.

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

Croatia's "hairy stone" fortress is one of the most well preserved Istrian castles.

Longest fortress system anywhere in Europe.

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

This Croatian fairytale castle is slowly falling apart thanks to years of neglect.

This picturesque medieval monastery guards a small trove of historic treasures.

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

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

A wunderkammer of gold and silver reliquaries and ancient saintly bones.

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

Legend has it fairies gathered at the site of this medieval castle.

Large, airy hallways hide within an impenetrable fortress that beckons urban explorers.

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.