Egypt
When Greek historians first declared the pyramids to be one of the Seven Wonders of the World¸ they had already been ancient for almost 3¸000 years. The nameless Pharaoh confronted by Moses before the Exodus of the Hebrews from Egypt was one of an unbroken string of 200 "living gods" in that country. Tutankhamun¸ Cleopatra¸ Rameses¸ mummies¸ evil priests of Set: the names have resonated in the Western world for five millennia. There's a lot of adventure to be found in 5¸000 years... (This is a digital reprint of a GURPS Third Edition product.)