Exploration of the Valley of the Kings Carter to explore it. After a systematic search they discovered the actual tomb of Tutankhamun (KV62) in November 1922. At the end of the century, the Theban Mapping Project re-discovered and explored tomb KV5, which has since been discovered to be probably the largest in the valley (having at least 120 rooms) and was either a cenotaph or real burial for the sons of Ramesses II. Elsewhere in the eastern and western branches of the valley, several other expeditions cleared and studied other tombs. Until 2002 the "Amarna Royal Tombs Project" explored the area around KV55 and KV62, the Amarna
Valley of the Kings and KV46, although both KV62 and KV46 were robbed soon after their actual closure) were undisturbed during this period. Most of the tombs are not open to the public (18 of the tombs can be opened, but they are rarely open at the same time), and officials occasionally close those that are open for restoration work. The number of visitors to KV62 has led to a separate charge for entry into the tomb. The West Valley has only one open tomb—that of Ay—and a separate ticket is needed to visit this tomb. The tour guides are no longer allowed to