Canada, Alberta, Writing-on-Stone Provincial Park, The hoodoos and the Milk River, The park is sacred to the Blackfoot and other aboriginal tribes and is home to the largest collection of rock art on the North American prairies, Pictographs and Petroglyphs possibly 3,500 years old, Canada has applied for UNESCO World Heritage status for the site.

canada alberta writing on stone provincial park hoodoos milk river blackfoot blackfeet aboriginal north american indians indians rock rocks archaeology first nations pictographs petroglyphs late prehistoric period art sandstone dominant green unesco world heritage site