The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

A local student's chance encounter with Keith Haring led to the creation of one of Europe's largest murals.

High in the clouds of San Marino sits an ancient tower with some curious prisoner graffiti.

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

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

Two stone columns flank the grand Venice square, but there were supposed to be three.

A giant bug impaled on a 75-foot-tall needle.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

A jazz band formed by African water animals in the heart of Flemish Brabant.

This French chateau is home to the world’s largest private collection of fighter jets.

A fascinating and enormous collection of natural history exhibits stained by a dark colonial legacy.

A little sculpture with a large wardrobe.

Climb inside an iron crystal magnified 165 billion times its normal size.

Theme park featuring miniature replicas of European monuments.

Christ's blood preserved in a Belgian town.

A moving memorial to the fallen and missing from WWI trenches.

This memorial museum chronicles the apocalyptic destruction of the First World War.

This Belgian theme park began as a refuge for bored church children and was closed down when a boy lost an arm.

A rare example of World War I trenches from the British front.