No traps. They had some clever systems for closing them off that could be interpreted as traps by the romantically-minded. The pyramid of Khafre (the next-to-largest one) has a stone blocking a passage that dropped through slots from above like a portcullis in a castle. It was presumably held up with wood while the passage was in use. read more
Builders of ancient Egyptian pyramids used secret passages, dead-end passages and booby traps to protect the burial chambers from tomb robbers. In some cases, a secret door to a burial chamber was hidden behind a statue. read more