Hellen Keller Grove brings together plantings linked to notable people, places, and events, including trees associated with Helen Keller in Tuscumbia, Alabama; Juliette Gordon Low and the beginnings of the Girl Scouts in Savannah, Georgia, in 1912; Martin Luther King, Jr. and Selma, Alabama, during the Civil Rights Movement; Sam Houston in Marshall, Texas, after the Battle of San Jacinto; Thomas Jefferson at Monticello in Virginia; Gifford Pinchot's conservation work under President Theodore Roosevelt beginning in 1898, when national forests increased from 32 to 149 during his tenure; Franklin D. Roosevelt at Warm Springs, Georgia, in 1924 and 1932; Eleanor Roosevelt at Hyde Park, New York; Mark Twain Cave in Hannibal, Missouri; the Alamo after the 1836 siege; Walden Woods in Massachusetts and the legacy of Henry David Thoreau; a cloned national co-champion Dahoon holly from Fort Pierce, Florida; Jean Lafitte on Jefferson Island, Louisiana; and Apalachicola Harbor, an important Confederate port blockaded during the Civil War.