The ancient Egyptian pyramids are the most famous, specifically the Great Pyramid of Giza which is the largest in Egypt. Most pyramids were built as tombs for the rulers of the ancient kingdom.
Ancient Mayan cities in Mexico were thought to have used their pyramids as places for human sacrifice. The Pyramid of the Sun, at Teotihuacan, is the third largest pyramid in the world.
The Pyramid of Cestius is an ancient pyramid in Rome, Italy and was built around 12 BC as a tomb for Caius Cestius, a religious magistrate.