It originally stood 481 feet high and was the tallest structure on [[Earth]] until the nineteenth century AD. Each side measures 751 feet across. Each corner of the [[pyramid]] is precisely lined up with cardinal directions of the [[compass]].<ref>http://ce.eng.usf.edu/pharos/wonders/pyramid.html</ref> | It originally stood 481 feet high and was the tallest structure on [[Earth]] until the nineteenth century AD. Each side measures 751 feet across. Each corner of the [[pyramid]] is precisely lined up with cardinal directions of the [[compass]].<ref>http://ce.eng.usf.edu/pharos/wonders/pyramid.html</ref> |