Workers stand near the newly uncovered monumental entryway to the Herodian Palace in Herodium National Park, outside of Bethlehem in the West Bank. The entry, at right, is a corridor with a complex system of arches on three separate levels. The arches buttressed the corridor's massive side walls, allowing the king and his entourage direct passage into the palace courtyard. Israeli archaeologists are showing off the monumental, many-arched corridor that led to Herod the Great's hilltop palace near Jerusalem in the first century. The corridor in the ancient fortress of Herodium, about 7 miles (12 kilometers) south of Jerusalem,...