The United States is a federal republic located in North America, comprising 50 states. The country stretches from east to west, bordering the Pacific and Atlantic Oceans. The vast land area is a treasure trove of natural wonders, including the Grand Canyon, Yellowstone, Yosemite, and Monument Valley. It is also home to such unique cities as New York, with its iconic Statue of Liberty; Los Angeles, known for its Hollywood movies; and Silicon Valley, the center of global tech culture.