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

Bridge that died in war and was resurected.

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

This cluster of little wooden huts once ground local farmers’ wheat into flour during the days of the Austro-Hungarian Empire.

Oriental bazaar in the heart of Sarajevo.

The place where World War I began.

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

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

The remains of the last Bosnian fortress to fall to the Ottomans are still standing.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The vast, legendary catacombs hold secrets much stranger than stacked bones.