Temple Square is a complex of buildings belonging to the headquarters of the Church of Jesus Christ of Latter-day Saints (Mormon) in Salt Lake City Center, Utah, including the Salt Lake City Temple, Salt Lake City Chapel, Salt Lake City Gathering Hall, Seagull Monument and two visitor centers, covering 10 acres. Surrounded by walls. The Salt Lake City Temple is the largest Mormon Temple in the world. Temple Square is the most popular tourist attraction in Utah, attracting 3 to 5 million visitors annually, surpassing the Grand Canyon and Yellowstone, and in 2005, Utah's 5 national parks attracted 5.3 million visitors.