The Traveling Salesman Problem is a website developed by William Cook at the University of Waterloo. The site features interactive maps that chart the short distance between a series of places. One of those maps is of all of the places in the United States National Register of Historic Places, all 49,603 of them. You can view the whole country in one map or visit each state's individual map.
US History Traveling Salesman Problem
AUG 20, 2021