FROM THE CREST OF THE Herodium dig, Harry Bennett could look out and see three wars.
The isolated, cone-shaped hill rose two thousand feet over the Judean Desert. Herodium, the palace-fortress built by Herod the Great, had been erected on the site of his victory against the Parthians in 40 BCE. Herod had then served as king of Judea under his Roman masters, but he had been utterly despised by the Judeans. When Herod’s sons were finally vanquished, Herodium had been evacuated. Over the centuries, the city became a legend, its location a myth.
Modern excavations had begun in the sixties, only to be interrupted by...