Carol M. Highsmith is a photographer, author, and publisher who has photographed in all the states of the United States, as well as the District of Columbia, and Puerto Rico. She photographs the entire American vista in all 50 US states as a record of the early 21st Century. Wikipedia*
On the C-SPAN Networks:
Carol Highsmith has one video in the C-SPAN Video Library; the first appearance was a 2011 Interview.