"Europe’s largest thermal-bath complex, housed under a glass-ceilinged structure that feels like a rainforest greenhouse and offers year-round warm-weather ambiance; attractions range from giant water slides, a wave pool and lazy river popular with families to a separate adults-only spa and sauna area, along with daily activity programs like exercise classes and guided meditation." - Lindsay Cohn Lindsay Cohn Lindsay Cohn is a writer, editor, and avid traveler who has visited 45 countries across six continents — and counting. She contributes to Travel + Leisure, Hotels Above Par, InsideHook, Well+Good, The Zoe Report, and more. Travel + Leisure Editorial Guidelines