The Step Pyramid of Zoser is the oldest known pyramid and the oldest free-standing cut-stone structure in the world. The Step Pyramid is 204 feet high and the base measures 411 feet from west to east and 358 feet from north to south. Near the Pyramid is a museum housing a collection of alabaster vases from the fifth dynasty. End Notes: Lamar C Berrett, Discovering the World of the Bible, Thomas Nelson Publishers, Tennessee, 1979, p.66