Columns of Karnak Temple, dedicated to Amon-Ra, Egypt. The Pyramids make it onto the postcards, but Karnak gives us some idea of how ancient Egyptians arranged and moved through their space/structures.
The Western Wall, a remnant of the ancient wall that surrounded the Temple Mount in Jerusalem. Herod the Great is believed to have started building it around 19 BCE. The wall goes far below street level and many sections of the Western Wall are concealed