The final resting place of the poets Shelley and Keats.

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

A new sculpture calls attention to climate change in the centuries-old city it threatens.

An island on the Venetian Lagoon hosts this stone chair that has nothing to do with the King of the Huns.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

Venice's island of the dead.

Legend has it that this bronze orb, which sat atop an ancient Egyptian obelisk, once held the ashes of Julius Caesar.

This large, circular tomb is the final resting place of the first emperor of Rome.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

A high school astronomy enthusiast designed this model of our solar system to be traversed on foot.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

The little church's beautifully frescoed ceiling has earned it the nickname “the Sistine Chapel of Madrid.”

An Orthodox church built by the Royal Family for the Russian community exiled to the French Riviera.

This charming, hidden guild museum holds some 700 years of crossbow history.

Meet the bronze beloved pet to a family of famous peeing statues.

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

Climb inside an iron crystal magnified 165 billion times its normal size.

A little sculpture with a large wardrobe.

Cozy basement bar sports an inventory of over 2,000 beers.

Brussels' favorite peeing boy has a sister.

The Devil’s own choice when he needs a drink in Brussels.

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

A shining memorial to a Belgian hero is said to bring luck to anyone who touches it.