From saunas and jimjilbang to hammams and temazcales, bathing rituals exist in almost every culture around the world—but they’re still not a regular part of many people’s lives. Robert Hammond, the co-founder of New York City’s High Line and president of Therme Group US, wants to change that. He discusses the history of bathhouses in the modern United States, and explains their physical, social, and spiritual benefits. Plus, he tells us about his favorite spots to soak, steam, and plunge and shares an evolving, community-focused vision for the future of bathing culture.