Airbnb is offering a Halloween night stay in the Paris Catacombs and is holding a contest to determine the two lucky lodgers.

Roughly 6 million people were laid to rest in the Paris Catacombs, and many of the skeletons remain, densely packed and stacked high. 
Though tourists are welcome to explore the tunnels during usual operating hours, an opportunity to spend the night has never been offered – until now.
Airbnb is believed to have paid around $400,000 to gain