As part of its mission to promote responsible citizenship, character and freedom, the Foundation maintains the nation’s only living testimony dedicated to recipients of the Medal of Honor, the nation’s highest award for valor. The Medal of Honor Grove consists of forty-two acres of woodland. Within the grove, each area is dedicated to one of the fifty states, the District of Columbia, or the Commonwealth of Puerto Rico. Each acre contains an obelisk that features a dedication plaque, plus the seal of that state, the District of Columbia, or Puerto Rico, plus a list of Medal of Honor recipients from that state, D.C., or Puerto Rico. In most cases, a tree has been planted for each recipient, along with a tree marker that contains the name, rank, unit, and date and place of action for the recipient. "America's Walk of Honor" was dedicated in April 1997, to allow visitors an opportunity to walk the grounds of the Medal of Honor Grove. American artist Peter Max designed the first stone on the Walk of Honor.