Sip cherry liqueur at a bar dating back to 1840.

Step back in time at this 19th-century kiosk.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

This striking, historic hotel has major Wes Anderson movie energy.

This beautiful 19th-century temple stands atop the ruins of its predecessor.

A rich Serb hired foreign craftsmen to secretly build the castle of his dreams.

These brass bunnies honor the rabbits that dominated the no-man's-land around the Berlin Wall.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

A statue of an astronomer gazes at the sky as a tribute to Caroline Herschel.

A small hippo-shaped fountain in Berlin, Germany.

An 18-panel Soviet mosaic showcasing the scientific advances made under socialism.

Metro station with a claim to rock n' roll fame.

Residents of Berlin take their coffee and cake in one of the city’s most restful spaces: a cemetery.

Through the colossal entrance to this cave you'll find limestone tubs and an underground waterfall.

This medieval fortress guards a monastery near the border of Serbia and Montenegro.

After this medieval Serbian fresco was hidden for centuries, an image of it became one of the first to be sent into space.

A scattered cemetery of medieval tombstones, each carved with indivdual patterns and scenes, overlooking a bright blue lake.

Berlin's old airport.

The ruins of a military-industrial complex now host concerts and more.

Tucked in an urban forest, this restaurant specializes in homemade, healing rakijas.

Statues of two of Srem's most well-known animals.

Inside this Jewish cemetery is a memorial to soldiers who deserted the German army and were executed.

Once a path for Jewish funeral processions, this unassuming alleyway is rich in local lore.

This water-tower-turned-high-end-apartment building was once the site of an early Nazi concentration camp.