Why are there so many skeletons in the Catacombs? The Catacombs were built when Paris's burial grounds began running out of space, leading to major public health issues. Millions of skeletons were ...

Paris may be most famous for its catacombs, explored officially by tourists in some areas, illicitly by “cataphiles” in others, but did you know that catacombs exist all around the world, including in ...