Nishiyama Onsen Kwiunkan, Japan
Est. 705
This hot spring retreat in Hayakawa, Yamanashi Prefecture has been recognized as the oldest hotel in the world by Guinness and it’s most likely the oldest company of all time, that’s still in business. Founded by Fujiwara Mahito in 705, it’s been managed by the same family for 52 generations.
The hotel currently has 37 rooms, and plenty of healing waters and hot springs for countless generations, including emperors, samurai warriors, and visiting dignitaries.