After this medieval Serbian fresco was hidden for centuries, an image of it became one of the first to be sent into space.

This surreal memorial/cemetery is a necropolis of crumbling stonework and puzzle-shaped headstones.

This top-secret nuclear bunker hidden in a Bosnian mountain has been converted to a modern art exhibition space.

This abandoned airplane hanger is said to have once been a top secret launch facility.

An idyllic traditional timber village on a picturesque hill was built for a film.

A field filled with carved medieval tombstones called stećak.

Believed to be the smallest castle in Europe.

Oriental bazaar in the heart of Sarajevo.

This enormous abstract sculpture is part jungle gym, part elaborate noise-making machine.

These warring psychedelic crags commemorate an unsuccessful military operation.