6. Shirahama Onsen

6. Shirahama Onsen – The history of this venerable hot springs resort goes back over 1300 years. It has hosted Emperor Saimei, Emperor Tenji, Empress Jito and her husband Emperor Monmu, and numerous priests. Nowadays it has plenty of popular fun to offer, including Adventure World and Shirarahama, making it a steady favorite of adults and children alike.