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

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

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

The first mosque in the world to receive electricity.

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

Oriental bazaar in the heart of Sarajevo.

The place where World War I began.

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

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

A curious cave church carved into the face of a cliff.

This wrecked ghost ship has been rusting on a Greek beach since the 1980s.

This town named for the ancient God of War is home to fewer than a thousand people, but it's the birthplace of the Greek Revolution.

The ruins of an abandoned medieval city where the last Byzantine emperor was crowned.

A magical, if a bit tacky, 1960s castle conjures up medieval fairytales and Greek mythology.

Ruins of a 13th-century fortress perched above a breathtaking Mediterranean bay.

Monasteries on rock pillars, once accessible only by frayed ropes.

Hungarian mummies in beautiful painted coffins.

A 13th-century convent where St. Margaret of Hungary spent her teenage years.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.