A 14th-century Serbian Orthodox church that was once converted into a mosque under the much-disfavored Ottoman Empire.

This lonely minaret with an unusual decorative symbol is all that remains of a historic Ottoman mosque.

In 1914, Archduke Franz Ferdinand spent his final night alive at this luxurious hotel.

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

This ironic war memorial thumbs its nose at a campaign of inedible humanitarian aid food products.

A network of tunnels connecting Bosnia’s ‘ancient pyramids’—or maybe just an abandoned mine?

Controversial site of what could be Europe's first pyramid.

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

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

The haunting ruins of a military fortress turned astronomical observatory sit on a Sarajevo mountaintop.

A small museum built by a family that survived the Siege of Sarajevo.

Place with alleged mystical powers in Old Orthodox Church in Sarajevo.

The place where World War I began.

Oriental bazaar in the heart of Sarajevo.

Inat Kuća, or "House of Spite," is more than just an oddly named restaurant.

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.

A monument on the pavement marks the spot where two cultures that shaped Sarajevo come together.

A number of craters left by fatal mortar strikes have been filled with red resin to remember those lost during the Siege of Sarajevo.

This picturesque monastery at the base of a cliff is a peaceful oasis open to all visitors.

There's a mini version of Iguazu Falls hidden in the Balkans, and it's got a rope swing.

A former bank seized as a sniper vantage point during the Bosnian War is now a secret graffiti art gallery.

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

The sad remains of a monument to martial arts legend and movie star Bruce Lee—in the middle of Balkans.