The most famous Sphinx is the Great Sphinx of Giza. It is one of the largest and oldest statues in the world. Archeologists believe that it was carved around 2500 BC and that the head is meant to be the likeness of the Pharaoh Khafra. The Great Sphinx faces the sunrise and guards the pyramid tombs of Giza.
The Great Sphinx is huge! It is 241 feet long, 20 feet wide, and 66 feet high. The eyes on the face are 6 feet tall, the ears over three feet tall, and the nose would have been nearly 5 feet long before it was knocked off. It is carved out of the bedrock in a trench at the Giza site.
Source: http://www.ducksters.com/history/ancient_egypt/great_sphinx.php, http://www.blackhistorystudies.com/resources/resources/100-things-about-africa/