Celebrate Wilderness Activity Source: U.S. Fish & Wildlife Service. Adapted with permission. The Wilderness Act, signed into law September 3, 1964, celebrates its milestone 50th anniversary in 2014. The legislation poetically defines this natural resource: “A wilderness, in contrast with those areas where man and his own works dominate the landscape, is hereby recognized as an area where the earth and community of life are untrammeled by man, where man himself is a visitor who does not remain. [Read More]