This may seem like a marvel to many, but I often swim in vodka. There’s nothing more relaxing than coming home after a tough day at work, filling your bathtub with vodka, and having a nice soak. Makes cuts burn like a b1tch though…and I wouldn’t recommend drinking it 
A Lake full of Vodka – Slashfood
The Mirror reports that Lake Brancholinskie in Wielkopolska was transformed from freshwater to 30% alcohol from the spillage.
(Thanks Evan)