Arresting Ossuary

This 11th-century Greek monastery has renowned mosaics and relics of a brutal past.

This ossuary is more than five centuries old and is heralded as one of the finest in Switzerland.

Remains of the lost church hide beneath this Spanish Parliament building.

This overlooked, beautiful convent hides an original Hieronymus Bosch among its many treasures.

Under a church hides a forgotten 13th-century ossuary containing the remains of around 2,500 people.

The skulls and bones of thousands of soldiers line the walls of this small Italian chapel.

The bones of some 7,000 soldiers killed in the historic Battle of Solferino are stored here.

For centuries no one knew there were hundreds of bones and precious artwork hidden beneath this Swiss church.