Italy
Madum Lake (Danish: Madum Sø) is the largest lake in the Himmerland peninsula of Jutland, Denmark. The lake covers an area of 2.04 square kilometres (0.79 sq mi), and has a depth of 7.5 metres (25 ft) at its deepest point. It is both an important bird sanctuary and a popular bathing spot.
Listen to the audio guide for Madum Lake Free on WIP — starts by itself when you arrive, even with the screen off