The document discusses several popular tourist destinations in Egypt. It mentions that the pyramids, of which there are 128 mostly built as tombs for pharaohs, are one of Egypt's most visited sites. It also describes the Sphinx as a large limestone statue near the pyramids that is over 4,500 years old. Additionally, it notes that the Nile River has been the primary water source and lifeblood of Egypt throughout history as the world's longest river flowing through the country. The document also briefly mentions Mount Sinai as where Moses is believed to have received the Ten Commandments according to the Bible.