Canada is the world's second largest country and occupies most of North America, from the Atlantic Ocean in the east to the Pacific Ocean in the west. Canada is known for having a multicultural society with British, French and aboriginal traditions mixed with the US culture and customs brought by migrants. Landscapes include the great Rocky Mountains in Alberta to Niagara Falls in Ontarrio and also extensive, lightly populated or unpopulated areas of wilderness. Canada also has some of the most bustling cities in the world, including Toronto, Vancouver, Calgary and Montreal.