In 1959 Wally Byam the founder of Airstream took 36 travel trailers to Cape Town, South Africa and led a safari to the Great Pyramids of Egypt in Cairo. Here's the evidence:

If you have an hour to spare, You Tube has the entire safari documented in five 10-minute parts. African dancers, live pygmies, Airstreams off-roading the Sahara, Pyramids, shaman curses, camels, and more!
Wally Byam's African Safari - From Cape Town to Cairo
Part 1,
Part 2,
Part 3,
Part 4,
Part 5