John Muir
One of the most well-known hiking trails in the U.S., the  John Muir Trail, was named in his honor. Other places named in his honor are Muir Woods National Monument, Muir Beach, John Muir College, Mount Muir, Camp Muir and Muir Glacier. For his outstanding accomplishments in preserving America's environment, he is known to many as the "Father of the National Parks" and "son of the wilderness".