My flight from Morocco to South Africa included a 17-hour layover in Cairo. Which was plenty of time to see 1 of the 7 Wonders of the Ancient World. I had stayed out well past bedtime the night before and slept poorly on the plane, so exhausted was an understatement. My tour driver met me at the airport after a long wait for my free hotel voucher from the airline. The first part of the tour was just what I’d hoped, but it quickly turned into a shill show that ultimately left a sour taste in my mouth. Still, it was a once-in-a-lifetime experience that I won’t soon forget.