A wild filly peers above the grass at North Carolina’s Shackleford Banks, a barrier island that is part of Cape Lookout National Seashore. The herd of Banker horses, which presently numbers over 100, is at least four centuries old. Their origin is a mystery; a popular theory is they were stranded by a Spanish shipwreck during the colonial era. Click the above image to enlarge, click to view my high-resolution photo gallery, or click to browse my travel guides for the Outer Banks of North Carolina.