The ancient structure designated as one of the Seven Wonders of the World is the Great Pyramid of Giza. Located in Egypt, it is the oldest and only surviving wonder. Built as a tomb for the Pharaoh Khufu, this architectural marvel showcases the advanced engineering and construction techniques of the ancient Egyptians. The pyramid remains a symbol of ancient civilization and human ingenuity, attracting scholars and tourists alike who marvel at its greatness and historical significance.