The spa was Iceland's Blue Lagoon
https://www.google.com/search?q=iceland+spa&client=firefox-a&h s=Dk4&rls=org.mozilla:en-US:official&channel=fflb&source=l nms&tbm=isch&sa=X&ei=GDY8U8-hAoSd7gbw_YDYAw&ved=0CAgQ_ AUoAQ&biw=1676&bih=865
http://1.bp.blogspot.com/-OrGqjz40ThE/UJs7CdAeWoI/AAAAAAAAARs/CaxVFVQT rVo/s640/7054666595_56ed2dfd7c_z.jpg