Carol Highsmith has been coast to coast. Carol Highsmith has been documenting the United States since at least the 1980s. Some 100,000 images of American people and landscapes have been donated to the Library of Congress, where they are available under a Creative Commons license. Now the aforementioned Library has built a new interactive map, charting Highsmith’s archive. The roving photographer has visited every single U.S. state and now web users can search and browse her photos on the easy-to-use map. “After driving along America’s highways and byways for some 50 years, Carol has reached her goal of documenting each of the 50 states, the District of Columbia, and Puerto Rico,” the Library of Congress writes on its blog . “More than 70,000 rights-free photographs are available worldwide with more images to come as Carol revisits some of her favorite places.” Aerial view of New York City showing the Brooklyn and Manhattan Bridges crossing the East River.…