An exclusive waiting room built for the royal family in the 1920s is hidden in Milan’s central station.

One of the most well-preserved castles in Italy also contains a rare medieval example of a port fortification.

This sculpture of a rhinoceros suspended above a city square is meant to evoke the weight of the human condition.

A study of Fascist era Art Deco design in Italy.

This triumphal 16th-century arched gateway leads to the oldest street in Palermo.

This mosaic-lined medieval church was built by the world's first admiral and still holds mass in ancient Greek.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

France's most famous cemetery, with some of its most curious tombs.

Black cat statues guard this temple-like Egyptian revival factory.

London's old-school healing garden.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

It took more than 300 years to build this church, which is home to two sacred vessels believed to hold the blood of Christ.

A room filled with frescos that make it seem like the walls are crumbling down while giants die in despair.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

On the shores of Lake Garda, the ruins of a Roman villa that allegedly belonged to the poet Catullus.

A military museum, art park, mausoleum, and architectural oddity all on one fascist's estate.