Fodor's Expert Review Centum Cellas

A strange archaeological sight on a dirt track signposted off N18 has kept people guessing for years. The massive, solitary, three-story framework of granite blocks is thought to be of Roman origin, but experts are unable to explain its original function convincingly or provide many clues about its original appearance. Some archaeologists believe it was part of a much larger complex, possibly a Roman villa, which was subsequently used as a watchtower.