Pirin National Park (Bulgaria) - The Pirin Mountains area features basin-shaped cirques carved out by glaciers, a large number of lakes that dot these cirques, and lush vegetation nourished by spring water. The mighty Pirin Mountain Range in southwest Bulgaria has a total of 81 peaks that exceed heights of 2500 meters. The mountains were shaped during the 4th glacial period of the Pleistocene epoch, and the valleys that lie between them have been carved into beautiful, rounded cirques by glaciers. These cirques are dotted with lakes making the park one of Eastern Europe's most beautiful scenic spots. Canadian Rocky Mountain Parks (Canada) - The Canadian Rocky Mountain Parks feature U-shaped valleys, lakes and marshes, and precipitous mountainsides that were formed by glacial activity one million years ago. The Rocky Mountains are a vast chain of mountains that stretches a total of 4800 kilometers north to south along the western side of the North American Continent. The section of the mountain range that lies within Canadian territory is called the Canadian Rockies. The mountains are characterized by their craggy topography, which is the result of glacial erosion. There are four contiguous national parks in the area: Jasper, Yoho, Banff, and Kootenay.