TOURISM GUIDE-EXPLORE USA

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The United States of America is a large country in North America, often referred to as "the USA", "the U.S.", "the United States", "the United States of America", "the States", or simply "America". Home to the world's third-largest population, with over 318 million people, it includes both densely populated cities with sprawling suburbs and vast, uninhabited natural areas.

With its history of mass immigration dating from the 17th century, it is a "melting pot" of cultures from around the world and plays a dominant role in the world's cultural landscape. It's home to a wide array of popular tourist destinations, ranging from the skyscrapers of Manhattan and Chicago to the natural wonders of Yellowstone and Alaska, to the warm, sunny beaches of Florida and Hawaii

Geography

The contiguous United States or the "Lower 48" (the 48 states other than Alaska and Hawaii) is bounded by the Atlantic Ocean to the east and the Pacific Ocean to the west, with much of the population living on the two coasts. Its land borders are shared with Canada to the north, and Mexico to the south. The US also shares maritime borders with Russia, Cuba, and the Bahamas. If counting the Insular Areas and Minor Outlying Islands, the United Kingdom, Samoa, and Haiti would also share maritime borders.

The country has three major mountain ranges. The Appalachians extend from Canada to the state of Alabama, a few hundred miles west of the Atlantic Ocean. They are the oldest of the three mountain ranges and are covered with a diversity of flora and fauna, a thick canopy of dense vegetation. They offer spectacular sightseeing and excellent camping spots. The loess lands of the southern Mid-West and the Limestone cliffs and mountains of the south add beauty to the region, with lush vegetation coating the surfaces of cliff faces that Border Rivers, and mist shrouding beautiful green mountains and gorges. The Rockies are, on average, the tallest in North America, extending from BC, Canada to New Mexico, with many areas protected as national parks. They offer hiking, camping, skiing, and sightseeing opportunities, as well as desert and subtropical getaways in the southern lowlands of the region. The combined Sierra Nevada and Cascade ranges are the youngest. The Sierras extend across the "backbone" of California, with sites such as Lake Tahoe and Yosemite National Park; the Sierras transition at their northern end into the even younger volcanic Cascade Range, with some of the highest points in the country.

Climate

The climate of the continental United States varies considerably across the country due to differences in latitude and various geographic features.

The Southern and South Central portions of the country contain a variety of humid subtropical climates, for which the northernmost terminus is around the Ohio river and environs. This area of the United States has long, hot, humid summers and mild to cool winters on average. The Entire eastern half of the United States often succumbs to very hot weather during the summer with high humidity. At the southern portions of the south, in the Deep South, a number of tropical-transitional climates are found, and Florida and far southern Texas host a variety of tropical climates. The Midwest region hosts a variety of climates, from humid subtropical in the southern regions, to a warm temperate regime in the central portions, and a humid continental regimes in the more northerly areas of the region. The entire region is susceptible to extensive amount of very hot, humid weather, and more northerly regions of the Midwest often succumb to bitterly cold temperatures in the winter