An unremarkable wooden wheel built into the side of one of Rome's oldest hospitals was part of a policy to reduce infant exposure.

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

The Vatican's secret porn-festooned bathroom was painted in erotic murals by one of the greatest artists of the Renaissance.

Breathtaking and huge 430 year old maps of Italy.

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

A hidden workshop for creating and restoring Papal mosaic masterpieces.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

These spartan apartments are provided to clergymen visiting Vatican City.

Just across from the "Last Supper" painting is the famous painter's vineyard, a gift received for creating the masterpiece.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

In the heart of Tirana, this underground nuclear bunker has been transformed into a museum.

What happens when you cross a mayor and a painter?

This public amphitheater was once a key part of Monaco’s defense strategy.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

Every year, the town of Menton, France, turns lemons and oranges into giant sculptures depicting windmills, dragons, and more.

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

A proud bronze billy stands as an eternal symbol of Ireland's oldest festival, where a goat is made king.

A remarkable feat of Victorian engineering across the Firth of Forth.

A sacred well steeped in Pagan roots on the West Coast of Ireland.

Wander among the abandoned ruins of this once-powerful medieval town.

The skeleton of a whale that beached itself in this Irish town is now on display in their public park.

An oddly conical beacon perched atop beautiful Irish cliffs.

This beautiful site is where the first transatlantic telegraph was sent from.