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

| Name_ | Location_ | Date_established | Area | Description_ |
|---|---|---|---|---|
| Wind Cave | South Dakota , 43°34′N 103°29′W﻿ / ﻿43.57°N 103.48°W | January 9, 1903 | 28,295.03 acres (114.5 km2) | Wind Cave is distinctive for its calcite fin formations called boxwork and needle-like growths called frostwork. The cave, which was discovered by the sound of wind coming from a hole in the ground, is the world`s densest cave system. Above ground is a mixed-grass prairie with animals such as bison, black-footed ferrets, and prairie dogs, and Ponderosa pine forests home to cougars and elk. |
| Wrangell –St. Elias | Alaska , 61°00′N 142°00′W﻿ / ﻿61.00°N 142.00°W | December 2, 1980 | 8,323,147.59 acres (33,682.6 km2) | This mountainous land has the convergence of the Alaska, Chugach, and Wrangell-Saint Elias Ranges, which have many of the continent`s tallest mountains over 16,000 feet (4,900 m), including Mount Saint Elias. More than 25% of this park of volcanic peaks is covered with glaciers, including the tidewater Hubbard Glacier, piedmont Malaspina Glacier, and valley Nabesna Glacier. |