Ossuary Chapel of the Cathedral of Otranto – Otranto, Italy - Atlas Obscura

Discover Ossuary Chapel of the Cathedral of Otranto in Otranto, Italy: A 1,000-year-old church holds the bones of the Christian martyrs who died hiding inside it.

Bone Houses: A Definitive Guide to the World's Ossuaries - Atlas

Ossuary Chapel of the Cathedral of Otranto – Otranto, Italy

Ossuaries - Atlas Obscura

Bone Houses: A Definitive Guide to the World's Ossuaries - Atlas

TIL that there is a church in the Czech Republic decorated with

The Chapel of the Martyrs of the Cathedral of Otranto ~ Liturgical

Ossuary Chapel of the Cathedral of Otranto – Otranto, Italy

Atrani – Atrani, Italy - Atlas Obscura

Klatovy Catacomb Mummies – Klatovy, Czechia - Atlas Obscura