The caves at Ephesus are holy places to both Christians and Muslims. Among them is the cave of the seven sleepers. Here it is said that seven young men were walled inside duing the reign of Decius for suspected Christianity and slept for 300 years until they were awakened during the reign of Theodosius into a Christian Ephesus. Read the story HERE. Over the centuries, it became a popular place for Christian burial. When the city was taken by the Arabs, they too, revered the caves as they were written of in the Koran. Read the Muslim version HERE.