This Berlin swimming pool is probably the most unusual in Europe: a 325-square-metre pool literally built into the Spree. Covered in winter, Badeschiff comes with a lounge and sauna. Entrance fee: €5 for adults, €2 for kids.

Contact the BBB (Berliner Bäder Betriebe) for information on all
Berlin’s indoor, outdoor and lake-side swimming facilities:
www.berlinerbaederbetriebe.de or Hotline: +49 180 310 2020.