On the northeastern edge of the Giza Plateau, I discovered three perfectly cut shafts hidden beneath the sands. They sit in the triangle between the Great Sphinx, Khufu's Pyramid and Khafre's Pyramid, ...

From the surface, El Castillo in Chichén Itzá is almost perfectly constructed. It sits at the centre of the plaza and rises into an excavation. Millions of tourists visit each year to see it and its ...