a serene outdoor spa with a natural stone waterfall and lush greenery, perfect for relaxation and rejuvenation

architecture bath bathhouse beauty calm clean colors contemporary day design ecofriendly foliage fresh garden greenery healthy hot landscape lush luxurious luxury minimalist modern morning natural nature organic outdoor peaceful perfect plants pool poolside rejuvenation relaxation resort rocks serene serenity spa stone sun sunlight sustainable swimming tranquility trees tropical tub vibrant water waterfall wellness zen