Architectural monsters are devouring this palace's every door and window.

Architectureal fantasy quarter of Rome.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Breathtaking and huge 430 year old maps of Italy.

This equestrian statue of Constantine the Great has been the subject of criticism for centuries.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

This small, ancient Roman temple was once a church dedicated to the patron saint of penitents.

This curious, round temple is the oldest still-standing marble building in Rome.

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

This is the oldest Roman-made bridge in the city still existing in its original state.

An image of the legendary saint stands in the shadow of a cathedral she liberated.

The world's largest boar is a huge steel titan found at a French rest stop.

Jean Tinguely's bizarre monster sculpture is hidden deep in a forest.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Inaugurated in 1921, this is one of many statues in France dedicated to the people who died during World War I for their country.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

This symbol of the French Revolution still stands where it was first planted during the 18th-century.

Remains of the artificial harbours invented for the Allied invasion of Normandy can still be seen at sea.

One of the oldest and largest wooden churches in France was very evidently constructed by shipbuilders.

A little sculpture with a large wardrobe.

Twisted buildings adorn the banks of the Rhine river.

This futuristic German television spire is actually the world's largest digital clock.