Aorta. To do this in an efficient way, his drivers head out on the largest highway: Highway A. Your circulatory system also has a major highway, and it is called your aorta. This is the largest artery and carries blood from the heart to the body.
Little River Canyon National Preserve is a United States National Preserve located on top of Lookout Mountain near Fort Payne, Alabama, and DeSoto State Park. Created by an act of Congress in 1992, the 15,288-acre (6,187 ha) preserve protects what is sometimes said to be the nation's longest mountaintop river, the Little River.
The Grand Canyon (Hopi: Ongtupqa; Yavapai: Wi:kaÊ¼i:la, Navajo: TsÃ©kooh Hatsoh, Spanish: Gran CaÃ±Ã³n) is a steep-sided canyon carved by the Colorado River in Arizona, United States. The Grand Canyon is 277 miles (446 km) long, up to 18 miles (29 km) wide and attains a depth of over a mile (6,093 feet or 1,857 meters).