The Rockies are, on average, the highest in North America, extending from Alaska to New Mexico, with many areas designated as national parks that offer hiking, camping, skiing, and sightseeing opportunities.The combined Sierra Nevada and Cascade ranges are the youngest.(about half the size of Russia and about the same size as China).It also has the world's third-largest population, with more than 320 million people.Regarded as the most powerful and influential country in the world, it plays a dominant role in the world's cultural landscape, and is famous for its wide array of popular tourist destinations, ranging from the skyscrapers of Manhattan and Chicago, to the natural wonders of Yellowstone and Alaska, to the canyonlands of the Southwest, to the warm, sunny beaches of Florida, Hawaii and Southern California.The United States comprises 50 states and the nation's capital city of Washington, D.The overall climate is temperate, with notable exceptions.
Alaska One fifth as large as the rest of the United States, Alaska reaches well into the Arctic, and features mountainous wilderness, including North America's tallest mountain, Denali, and Native Alaskan culture unseen elsewhere in the United States. As these are quite different from the 50 states from a traveller's point of view, they are covered in separate articles.
More fresh water inland seas than lakes, they were formed by the pressure of retreating glaciers at the end of the last Ice Age.
The five lakes span hundreds of miles, bordering the states of Minnesota, Wisconsin, Illinois, Indiana, Michigan, Ohio, Pennsylvania and New York, and their shores vary from pristine wilderness areas to industrial "rust belt" cities.
The contiguous United States or "Lower 48" (the 48 states other than Alaska and Hawaii) are bounded by the Atlantic Ocean to the east, the Pacific Ocean to the west and the Gulf of Mexico to the south, with much of the population living on these three coasts or along the Great Lakes, which are sometimes dubbed another "coast". also shares maritime borders with Russia, Cuba and the Bahamas. The Appalachians extend from Canada to the state of Alabama, a few hundred miles west of the Atlantic Ocean.
Its only land borders — both quite long — are shared with Canada to the north and Mexico to the south. They are the oldest of the three ranges and offer spectacular sightseeing and excellent camping spots.