The Badeschiff, Berlin, is a public pool on a barge in the River Spree, overlooking the city. During the winter, the pools are covered so swimming can continue year-round. Image from Arsema. Entry is only 4 euros.
the narrows, upper south side of lake travis (from austin take texas turn north on spur proceed 1 mile to spicewood, continue traveling north miles on burnet county road 410 to CR proceed miles north to entrance for the narrows recreation area)
Here Are 30 Arkansas Swimming Holes That Will Make Your Summer Epic
Kings River: Located at the interface of the Springfield Plateau and Boston Mountains subdivisions of the Ozark Mountains, Kings River natural area includes more than 3 miles of the Kings River with Kings River Falls being the focus of the setting.