It’s hard to believe this hostile landscape was once a health resort.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

Oriental bazaar in the heart of Sarajevo.

This museum preserves the hand-dug tunnel that kept Sarajevo afloat during the Serbian siege.

A war-torn Olympic relic is being overtaken by graffiti and nature.

The place where World War I began.

The first mosque in the world to receive electricity.

This historic timepiece is thought to be the only public clock in the world that keeps lunar time.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.