The Americas refer to the combined landmass of North America and South America, along with their associated islands. This vast region is home to diverse cultures, languages, and ecosystems. Major countries include the United States, Canada, Brazil, and Mexico, each contributing to the continent's rich history and development. Geographically, the Americas are divided by the Panama Canal, which connects the Atlantic Ocean to the Pacific Ocean. The region features a variety of landscapes, from the Rocky Mountains in North America to the Andes in South America. The Americas also host significant natural wonders, such as the Amazon Rainforest and the Great Lakes.