Tourists love copying what they see others do. Arrive at spots like the Trevi Fountain, and you might have to get in line to toss a coin. Step into the Epidaurus Theatre in Greece, and you’ll have to wait until others are done whispering to try the acoustics yourself. People will even queue for an hour to attempt to bend backwards on the floor and kiss the Blarney Stone in Ireland. How did these very strange traditions begin? Read on to learn 10 site-specific odd rituals.