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

This riverside restaurant has been serving customers since 1146.

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

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

This historic funicular system combines the old with the new while offering delightful views over the surrounding valley.

It's good luck to be mocked by this monkey.

This impressive collection of rare books on ancient mysticism inspired author Dan Brown.

When you're a great Russian Tsar, even your vomit gets a statue.

A little sculpture with a large wardrobe.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

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

In the center of Wrocław's old meat market stands a somber tribute to the city's livestock.

A 90-ton, gravity-defiant steam locomotive shoots for the skies in this bizarrely beautiful public artwork.

A striking public sculpture representing the period of martial law in Communist Poland.

The silly symbol for an underground protest group is now scattered around the city.

This one has sailed five times as far as Sir Francis Drake's famous ship.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Two plaques commemorate the site of Shakespeare's first theatre.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

An 11th-century runestone decorates the halls of Terminal 2 of this Scandinavian travel hub.

This grisly exhibit houses skeletons and weapons from a devastating 14th-century clash.

The discovery of an old wall led to the creation of this fascinating museum about the city in the Middle Ages.