there was a grave found that had a cross on it that said it was the grave of king arthur and guinivere. the cross was later lost

no one knows, as his grave as not been found

Howard Carter found King Tutankhamen's tomb which had been untouched by grave robbers.

His grave stone is at King William's Town Cemetery

King Williams Town

Eastern Cape, South Africa

Martin Luther King's grave is located at King Center located in Atlanta, Georgia. Originally, he was buried at Southview Cemetery before being moved to the King Center.