Picturesque basketball courts sheltered by historical defensive walls and with an enviable sea view.

Inside this small chapel tucked away in the forest is one of the most well-preserved Danse Macabre frescos.

This Croatian computer club features such gaming relics as the infamous Virtual Boy and an 8-bit Pacman machine.

This abandoned Croatian stronghold never saw a great deal of conflict but it is still a beloved relic nonetheless.

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

A striking symbol of the Bulgarian capital.

Structure built from the skulls of vanquished foes.