List of national parks of the United States National parks National parks

| Name_ | Location_ | Date_established | Area | Description_ |
|---|---|---|---|---|
| Badlands | South Dakota , 43°45′N 102°30′W﻿ / ﻿43.75°N 102.50°W | November 10, 1978 | 242,755.94 acres (982.4 km2) | The Badlands are a collection of buttes, pinnacles, spires, and grass prairies. It has the world`s richest fossil beds from the Oligocene epoch, and there is wildlife including bison, bighorn sheep, black-footed ferrets, and swift foxes. |
| Big Bend | Texas , 29°15′N 103°15′W﻿ / ﻿29.25°N 103.25°W | June 12, 1944 | 801,163.21 acres (3,242.2 km2) | Named for the Bend of the Rio Grande along the US–Mexico border, this park includes a part of the Chihuahuan Desert. A wide variety of Cretaceous and Tertiary fossils as well as cultural artifacts of Native Americans exist within its borders. |