Kastrup Søbad in Copenhagen, Denmark by White arkitekter.
Some unrelated links for your enjoyment:
Contemporary Architecture
Articles on "the world's most innovative new architecture" by Flemming Skude. (added to sidebar under architectural links::online journals)
Defpoints
Best name of the many new blogs on architecture. (added to sidebar under blogs::architecture)
Thoughts on Architecture
"Just a collection of [Bjorn's] thoughts or links to other thoughts on architecture and design." (added to sidebar under blogs::architecture)