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

This unique rock formation is quite the local celebrity, although one day it may come crashing down.

Lava stone structures possibly dating back to the 19th century may have been a stopping point for voyagers between ancient Egypt and the Mayan Civilization.

This local emblem is the oldest and largest dragon tree in the Canary Islands.

According to the Guanches, the aboriginal people of the Canary Islands, the king of evil lives inside this volcano.

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

This poignant art installation raises awareness of violence against women.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

A magical and peaceful ruined Cistercian abbey in what is now southern Belgium.

A man throwing a giant severed hand towers over Antwerp’s main square.

The legendary giant's severed hand sits on Antwerp's popular shopping street.

Head underground and take a tour of the city's working sewer system, and see the underground river Senne, which defined Brussels for centuries before being covered in the 19th century.

Meet the bronze beloved pet to a family of famous peeing statues.

Somewhere there is a giant who can no longer poop, but now travelers can stay inside his anus.

A collection of weird and wonderful art fills a former houseplant nursery.

Each time a baby is born in Ghent, these streetlights flash in silent celebration.

Brussels' favorite peeing boy has a sister.

This modern arts center is built around a gem of late-Baroque architecture.

The ancient heart of Tunis is an enormous maze of narrow streets and alleyways.

Lyon's miniature version of the Eiffel Tower was built as a statement in support of French secularism.

The world’s largest LED display, built over an F1 race circuit.

Rotterdammers' dirty minds gave this Santa a dirty nickname and cursed it to a life of wandering.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.