10 fascinating facts about castles

Walls were filled with junk

Over 12,000 castles were built in Europe

Lords often brought beds when visiting

Castles did not have bathrooms

Castles were dirty, inside and out

Rich people ate off big pieces of stale bread

A castle was like a giant rattrap

Castles had crazy defenses

The best weapon might have been a pick

Prague Castle is as big as seven football fields.