Keywords: Waterfall Bridge, Hadlock Brook, Acadia National Park carriage road, Mount Desert Island, Maine, ME, nature, stone, stone work, outdoors, water, brook, arch, waterfall, framed, framed waterfall, fall foliage, autumn, fall, picturesque, scene, scenery, scenic, craftsmanship, masonry, stone masonry, John D. Rockefeller's legacy, philanthropy, impressive, inspiring, inspiration, vertical