The King Herod who built the Herodium is the same Herod who tried to kill Jesus, and ordered the slaughter of the babies in nearby Bethlehem. He knew his subjects hated him, so before he died, he provided for his tomb to be guarded after his death. After a couple of years, the money ran out so the guards went home. The vengeful locals trashed his palace and smashed his ornate mausoleum to tiny pieces.
Photo by John Buckner

The Herodium in Bethlehem 

“For verily I say unto you, That whosoever shall say unto this mountain, Be thou removed, and be thou cast into the sea; and shall not doubt in his heart,...