One of the few German synagogues to survive the Kristallnacht pogrom has been beautifully restored.

This "floating railway" is one of the world's oldest monorail systems.

How did a lighthouse wind up in the middle of this landlocked German city?

A poignant mural honors the heroic teenage non-conformists who took on the Nazis and paid the ultimate price.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

These warring psychedelic crags commemorate an unsuccessful military operation.

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

The first mosque in the world to receive electricity.

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

Some of the best-preserved specimens of the monumental medieval tombstones found throughout Bosnia and Herzegovina.

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

Oriental bazaar in the heart of Sarajevo.

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

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

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

The place where World War I began.

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

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

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

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

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

Bridge that died in war and was resurected.

A collection of historical engines and rolling stock from throughout Riga's rich railway history.