The USA is the fourth largest country in the world stretching from the Atlantic Ocean in the east to the Hawaiian Islands in the Pacific Ocean in the west. It is situated in North America. It borders on Canada in the north and on Mexico in the south. There are a lot of mountains in the USA. The highest and largest are the Cordilleras in the west. The Appalachian Mountains are in the east, they are lower and older. The mighty Mississippi is the longest river in the USA. Some other rivers flow into it. The Great Lakes in the north of the USA are very deep. The Michigan Lake is the largest and the Ontario Lake is the smallest. Washington is the capital of the USA. It is situated on the Potomac River.