The National Park Service (NPS) is an agency of the United States federal government headquartered at the Main Interior Building in Washington, D.C., that manages all national parks, most national monuments, and other natural, historical, and recreational properties with various title designations. The United States Congress created the agency on August 25, 1916, through the National Park Service Organic Act.
Saint-Gaudens National Historical Park in Cornish, New Hampshire, preserves the home, gardens, and studios of Augustus Saint-Gaudens (1848–1907), one of America's foremost sculptors. This was his summer residence from 1885 to 1897, his permanent home from 1900 until his death in 1907, and the center of the Cornish Art Colony. There are two hiking trails that explore the park's natural areas. Original sculptures are on exhibit, along with reproductions of his greatest masterpieces. It is located on Saint-Gaudens Road in Cornish, 0.5 miles (0.80 km) off New Hampshire Route 12A.
Brown's Lake Bog is a dedicated Ohio state nature preserve owned by The Nature Conservancy. It is one of the few remaining kettle peatlands in the U.S. state of Ohio. It has a kettle lake, kame, and a floating sphagnum moss mat. Public visitation is allowed.
Keeley Creek Natural Area is a Research Natural Area and a National Natural Landmark that is protected by the United States Department of Agriculture, specifically through the branch of the Forest Service. It is located in Stony River Township, in Lake County, Minnesota, and is part of the Superior National Forest.
Pine Point Research Natural Area is a natural area that is protected by the United States Department of Agriculture, specifically through the branch of the Forest Service. It was established in 1932 and consists of 1,375 acres (5.56 km2) of land. It is located in Cass County, Minnesota and is part of the Chippewa National Forest. The natural area is bounded on the north, east, and west sides by Lake Leech. To the south is Onigum, an unincorporated community that had been an Indian agency.
Flambeau River State Forest is a 90,147 acre (364 km²) unit of the Wisconsin state park system. The North and South Forks of the Flambeau River join within the park, providing over 75 miles (121 km) of mostly undeveloped river. The forest is composed of northern hardwoods. In 1973, Flambeau River Hemlock-Hardwood Forest was designated as a National Natural Landmark by the National Park Service.
Bear Swamp Preserve is a Nature Conservancy preserve and National Natural Landmark in Westerlo, New York. It consists of a pond and surrounding 310 acres (1.3 km2) of swamp and woodland. It is recognized for its great laurel tree population. It has two nature trails totaling about two miles (3.2 km) in length.
Moss Lake Bog is an 84-acre (34 ha) site containing a 15-acre (6.1 ha) glacial kettle lake located in the town of Caneadea, New York, outside Houghton. Over time, sphagnum moss has grown over the open water, turning it into an acidic bog. It is managed by The Nature Conservancy as part of Moss Lake Preserve, and was declared a National Natural Landmark in 1973.
Zurich Bog is a 490-acre (2.0 km2) sphagnum bog in Arcadia, New York. Lyman Stuart and the Newark School District donated the land on December 10, 1957 to the Bergen Swamp Preservation Society which had been created in 1935 to preserve the similar Bergen-Byron Swamp. The bog has been the focus of scientific interest since the 19th century, and was declared a National Natural Landmark in May 1973.
The Bergen-Byron Swamp is a protected 2,000-acre (810 ha) swamp and nature preserve located in the towns of Byron and Bergen, New York. It is over 10,000 years old. The Bergen Swamp Preservation Society was formed in 1935 to protect and preserve this delicate ecological environment.
Lacawac is a historic estate located in Paupack Township and Salem Township, Wayne County, Pennsylvania. It was built in 1903, as a summer estate of Congressman William Connell (1827-1909). Six of the eight buildings remain. They are the main house, barn, spring house, pump house, Coachman's Cabin, and ice house. The buildings are in an Adirondack Great Camp style. The main house is a 2+1⁄2-story frame dwelling with a cross gable roof. It features two-story porches and the interior is paneled in southern yellow pine.
Crystal Bog is a domed bog in the town of Crystal in Aroostook County, Maine. It "supports one of Maine’s most diverse fens and a large number of rare plants and animals". It was declared one of Maine's National Natural Landmarks in 1973.
The Mantua Bog State Nature Preserve is a 104.8-acre (42.4 ha) protected wetland in Mantua Township, Portage County in the U.S. state of Ohio. It was designated a National Natural Landmark in 1976 and a state nature preserve in 1990. The national landmark designation encompasses 285 acres (115 ha) which includes Marsh Wetlands State Nature Preserve, in addition to Mantua Bog State Nature Preserve.
