18
Capela dos Ossos - Chapel Of Bones. (Portugal).
This Chapel contains around 5000 skeletons of monks. To make this even morbidly cooler - there are two bodies hanging from ropes and one is a child. And if you thought that was pretty morbid - the Chapel has a warning at the entrance - “Nós ossos que aqui estamos pelos vossos esperamos” which then translates in English to (“We bones that here are, for yours await“).
(via abdukted)