The child-king became pharaoh at age nine and died around 1352 B.C.E. 26, they could see inside the gold burial chamber which contained a sarcophagus with the mummified king inside. Throughout November, Carter and his excavation team unearthed the staircase, antechamber, treasury, and door to the tomb. NovemKing Tutankhamun's tomb was discovered in Luxor, Egypt by British archaeologist Howard Carter after several years of searching.