The strangest building in Faro, and one of the strangest in Europe, the Capela de Osso, built in the 19th century inside a larger 18th century church, is filled with skulls and bones of over 5000 people. It’s a delightfully macabre demonstration of the bizarre twists religion can take. It’s not that big but it leaves a lasting effect.

Watch this slideshow to see the Capela do Osso: