A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Thousands of flamingos and other bird species flourish in these Camargue wetlands.

This ancient theater was once the home of fierce gladiatorial battles.

A little sculpture with a large wardrobe.

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

The patron of this extravagant Art Nouveau confection insisted that nothing less than a boat should project from its facade.

Most prolific publishing house in the 1600s open to the public.

A beer pipeline runs beneath Bruges.

Christ's blood preserved in a Belgian town.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

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

A dismembered holy head stares out from her beautiful reliquary at the St. Dominic Basilica.