In 1922 it was thought that all the treasures at the sites in Egypt's Valley of the Kings ("KV") had been uncovered. But the British Egyptologist Howard Carter hired a crew to excavate the site known just as KV62. They found a downward corridor where a robbers' tunnel had been made and, at the end of the tunnel, was a sealed door that had been breached and re-sealed in antiquity. Carter then made a hole in the door. Inside were wonderful things:

More Info: en.wikipedia.org