Paris

The Lowdown on Anonymous

Anonymous is an amorphous group of hacktivists with no single leader or power structure. Some call them heroes, others call them criminals. Can they be both?

Pigeons: Homing, Passenger, Carrier and Otherwise

Pigeons can get a little confusing. Passengers, messengers, carriers, homing - the list goes on. But when it comes down to it, they're all variations of the same smart bird with a knack for getting home to roost. Learn about these clever creatures in today's episode.

How The Louvre Works

The most famous museum in the world, France's Louvre, has been the seat of high art and culture for several centuries. Its history goes back farther than that, beginning in the 1200s as a fort and prison. Tour the Louvre and its collections in this episode.

Some cities like Paris, Rome and Budapest are well-known for the catacombs carved beneath. Another city, Nottingham, home of Robin Hood, is less famous for its system of caves, though its been getting its due lately. There are about 500 man made caves beneath the town, dating back at least as far as the Medieval period.