1.Great Pyramids of Egypt
The Great Pyramids of Egypt are world famous for their masonry structures in pyramid shape. 138 pyramids in Egypt were discovered recently in the year 2008. The most famous pyramids are found in Giza and Khufu at Giza is the largest one. The other pyramids in Egypt are Pyramid of Menkaure, Sekhemkhet, Djoser, Khafra, and Sneferu. Among all these pyramids Djoser is considered as the oldest man made structure in the world.