The longest river is the Mississippi River, the largest state is Alaska and the smallest state is Rhode Island. The highest point in the USA's Mount McKinley and the lowest point is in the Death Valley. The USA is famous for many different things like cities New York, Los Angeles or buildings - the Empire State Building, the White House. For entertainment like: Disneyland, Hollywood. Holidays: Thanksgiving Day, Halloween, St. Valentine's Day. food and drinks like hamburgers, hot dogs, coca-cola and many others.