lake

This cool "deck" resides in a park in Vöcklabruck, Austria.

Siberia's Lake Baikal, not only the world's oldest lake at ~25 million years of age, is the largest single fresh water source on the planet. The water is so deep and so pure that when it freezes it becomes a sort of cold, turquoise glass, giving an observer a lens that can see over 100 feet straight down.

Also known as the pink lake in Australia, Lake Hillier has no decided reason as to why the lake has such a pink hue. It is believed that it is down to the salt content of the lake or possibly red halophilic bacteria in the salt crusts.

There's a lot more amazing nature photography over at Wolfhorn's Flickr page!