"The United States of America
Geography
The USA is located mostly in central North America. Alaska is in the north-west, it borders with Canada and with Russia across Bering Strait and Hawaii is an archipelago in the mid-Pacific. The country borders with Mexico in the south and with Canada to the north. The Pacific Ocean is in the west and the Atlantic ocean is in the east. The USA is considered to be the 3rd largest country in the world after Russia and Canada.
Surface
The surface is various. The western part is very mountainous and rocky. There are Rocky mountains, Coastal mountains, the Cascade Range and the Sierra Nevada, which are all part of the Cordilleras. And in the east, there are Appalachian mountains. The highest mountain in the USA is Mt. Mac Kinley in Alaska. It heights about 6000 meters. The longest river is Mississippi and its affluent Missouri. Mississippi runs from the north and it flows to the Gulf of Mexico. Other important rivers are for example the Yukon in Alaska, the Hudson, the Colorado River (it carved Grand Canyon), the Ohio River or the Sacramento. On a Canadian border, there are five Great lakes. Lake Superior, Lake Huron, Lake Erie and, Lake Ontario are shared between Canada and the USA, the lake Michigan is completely in the USA. Between lake Erie and Ontario, there are famous Niagara falls which attract many tourists every year."