One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Medieval torture techniques with a modern conscience.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

Overlooked amid the tourist bustle of Florence, this museum is dedicated to the craft of stone inlay.

The oldest operating pharmacy in the world features 800-year-old recipes.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

Baroque celebration of the end of the Great Plague of Vienna.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

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

The bust of Romania’s most notorious ruler, Vlad Dracula aka "Vlad the Impaler," keeps watch over the ruins of his medieval court.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This remote island village was in danger of depopulating completely until a tunnel was built to connect it to the rest of the world .

Old Danish castle immortalized in Shakespeare's Hamlet.

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

Vortex-shaped aquarium hosts Europe's largest school of piranhas and other ocean creatures.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Copenhagen's celebrated theme park and gardens.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

A small window on Via Piella offers a lovely and rare peek at Bologna's lost canals.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

The secret medieval communication system will whisk your words above the noise of the crowd.