The significant discovery made by archaeologist Howard Carter in 1922 was the tomb of the pharaoh Tutankhamun. Located in the Valley of the Kings, the tomb was remarkably well-preserved and contained a wealth of treasures, including the iconic gold funerary mask. Carter's discovery provided invaluable insights into ancient Egyptian culture, art, and burial practices, sparking global interest in Egyptology. The find was significant not only for its content but also for how it illustrated the wealth and power of the ancient Egyptian civilization.