Hotel 'Nisiyama Onsen Keiunkan' in Japan, Guinness World Record holder for World's oldest hotel, has been operating since 705 AD. Run by 52 generations of the same family, the 1,300-year-old hotel is famous for its hot springs, which have flowed since its opening. Tariffs at the hotel start at 52,000 Yen (around INR 31K) per night.