It's good luck to be mocked by this monkey.

This historic funicular system combines the old with the new while offering delightful views over the surrounding valley.

A striking 12th-century-style castle built on the edge of a cliff.

A fascinating insight into daily life in the Eastern Bloc.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

The fairy tale castle of the "fairy-tale king."

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

Greenland's first shopping mall also hosts the country's government.

This striking royal residence is the largest Renaissance-style castle in Scandinavia.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Old Danish castle immortalized in Shakespeare's Hamlet.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

An ornate plague column – built to celebrate life – claimed the lives of numerous artisans during its construction.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

When a supermarket opened up shop within a medieval building it became protected by UNESCO on a technicality.

One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

A musical instrument played by the sea.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

A striking symbol of the Bulgarian capital.

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

Bridge that died in war and was resurected.