Spa World: A 24-Hour Oasis of Global Relaxation and Cultural Immersion Spa World is a 24-hour spa complex in Osaka that guides you through a global bathing journey. This unique theme park surpasses the typical spa experience, providing a captivating array of indoor and outdoor hot spring baths, stone saunas, a thrilling water slide-equipped swimming … Continue reading [Osaka] Spa World (スパワールド 世界の大温泉): A Hot Spring Theme Park in the Shinsekai Area of Osaka