Dozens of tall ships from around the world have arrived at the Inner Harbor as part of Sail250, a celebration marking America's 250th anniversary. Baltimore is one of five U.S. host cities for Sail250, joining New Orleans, Norfolk, New York and Boston. Visitors can tour tall ships docked across the city including Fells Point, North Locust Point and the Peninsula. The celebration also includes an air show at Martin State Airport that ends on Monday.