The Bone Chapel of Sedlec, also known as the Sedlec Ossuary, is a small chapel located in Sedlec, a suburb of Kutná Hora in the Czech Republic. It is famous for its unique interior, which is decorated with the bones of over 40,000 human skeletons. The chapel was built in the 14th century and became a burial site after a cemetery was established in the area. The ossuary's most notable feature is a large chandelier made entirely of bones, along with various other artistic arrangements, including skulls and crossbones. The Bone Chapel serves as a reminder of the inevitability of death and the importance of life, attracting visitors from around the world.