The Appalachian Mountains are a major mountain range in eastern North America, stretching over 1,500 miles from Canada to Alabama. They are known for their rolling hills, deep valleys, and diverse ecosystems, which include forests, rivers, and wildlife. The range is one of the oldest in North America, formed over 480 million years ago. The Appalachians are home to several national parks, including Great Smoky Mountains National Park, which attracts millions of visitors each year. The mountains also play a significant role in the culture and history of the region, influencing the lifestyles of the people who live there.