Snow dusted Giant sequoia tree (sequoiadendron giganteum) in the southern portion of Yosemite National Park. The Mariposa Grove of Giant Sequoias is the largest sequoia grove in Yosemite and is home to over 500 mature giant sequoias. The national park idea is rooted in the Mariposa Grove. In 1864 President Lincoln signed legislation protecting the Mariposa Grove and Yosemite Valley for 'public use, resort, and recreation'. This landmark legislation holds an important place in our country's history and was enacted at a time when the nation was embroiled in the Civil War. For the first time in U.S. history, the federal government set aside scenic natural areas to be protected for the benefit of future generations. Later added to Yosemite National Park in 1906, the Mariposa Grove is a popular feature for visitors; California, United States of AmericaImage #: 34559970 See More From: Melissa Farlow