Explore the Catacombs of Paris, the underground tunnels that hold the remains of over six million people. This video delves ...

City plans to triple system of underground pipes that distribute chilled river water, reducing need for individual cooling units ...

An extensive network of abandoned quarries, sewers and subway lines twists beneath modern Paris. Read about this netherworld below then click on the main picture to view a photo gallery. Origins: ...

I was 15 when I first went to Paris. It was a school trip, and I wore a brown beret with a miniskirt that barely covered my thighs. I felt the epitome of Parisian chic. Heading to a rooftop bar and ...