Clearly on the creepy side as far as Parisian attractions are
concerned, the Catacombs are old quarries that contain thousands of skeletons
moved here from overcrowded cemeteries.

No, not the Paris Mob. I'm talking about l'Empire de la Mort - The Catacombs!
The Catacombs span the entire city of
Paris. The tunnels and passageways spiral in an incredible distance of 186 miles! Yet, the legal tourist area spans only about a mile. For a very low entrance fee (2.5€ 26 and under, 5€ 27+) you can explore the sectioned off tunnels for as long as you want. Just bring a jacket, it's 11 degrees C in there year round...
Read the rest of: "The Parisian Underworld"»