From the miracles of the sayings of the Prophet Muhammad, may the mercy and blessings of God be upon him, is that the Arabian Peninsula was once a lush green land full of trees and rivers. Prophet Muhammad said, "The Last Hour will not come… till the land of Arabia once again becomes meadows and rivers." The Arabian Peninsula’s Climate: Recent geological and archeological discoveries confirm what the Prophet Muhammad said about the land of Arabia once having meadows and rivers.