Can a handful of ancient African coins, discovered almost 70 years ago by a lone soldier on a remote island, rewrite history? A weathered, hand-drawn map, with an "X" marking the spot on the ...

These four lost cities were jewels of ancient Africa. What happened to them? Thonis-Heracleion, Alexandria, Meroë, and Jenne-Jeno were once centers of sophistication and wealth, but their ...