The American coastline stretches over 12,000 miles, encompassing a diverse range of landscapes from sandy beaches to rugged cliffs. It includes coastlines along the Atlantic Ocean, Pacific Ocean, and Gulf of Mexico, each offering unique ecosystems and recreational opportunities. Key features of the coastline include national parks like Acadia in Maine and Yosemite in California, which protect natural beauty and wildlife. Major cities such as Miami, San Francisco, and New York are located along the coast, serving as cultural and economic hubs that attract millions of visitors each year.