Qatar's oldest market can trace its origins back more than a century.

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

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

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

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

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

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

The only surviving choragic monument is a trophy awarded in 334 BC for the winning dramatic chorus.

This gem is often wrongly overshadowed by the larger, newer Metropolis church in Athens.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

A swath of France so devastated by war it is still forbidden to go there.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

The former Nazi Germany concentration camp stands as a museum to remember this dark chapter in European history.

Real bones which are said to have belonged to a Polish dragon.

Extremely famous in his native country, this Cracovian painter is all but unknown beyond Polish borders.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

This 14th century wine cellar is home to the oldest barrel-stored wine in the world.

Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

Visitors dating back to the 1600s carved their marks in the stones of the iconic tower.

There has been an astronomical clock on this spot since the 14th century.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.