Other things to look for as you navigate around the summit are the Sphinx, Khufu's boat pits, Khufu's Queens' Pyramids, Greater Giza and Cairo, and, of course, Khafre's Pyramid. Climbing Khufu is ...

I'm left to scour this massive map with no hint or directions. Brilliant, just brilliant. With every bit of progress I made on this Sphinx quest, I reported back to my colleagues. It felt like ...