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Online collection of all digital USGS 1:24K scale topographic maps (as well as various other GIS data) covering the United States, available as a free download. NPScape United States Department of the Interior National Park Service NPScape is a landscape dynamics monitoring project that provides landscape-level data, tools, and evaluations for ...
The Official Units of the National Park System of the United States is the collection of physical properties owned or administered by the National Park Service. As of August 2024, there are 431 official units of the National Park System; [1] however, this number can be misleading. For example, Denali National Park and Preserve are counted as ...
Affiliated areas are marked on the lists below. National Park System units are found in all 50 states, the District of Columbia, and the U.S. territories of Guam, American Samoa, the U.S. Virgin Islands, and Puerto Rico. The territory of the Northern Mariana Islands has an affiliated area but not an official NPS unit.
Great Smoky Mountains National Park in the United States is the most visited national park in the world. This is a list of the number of national parks per nation, as defined by the International Union for Conservation of Nature. Nearly 100 countries around the world have lands classified as a national park by this definition.
Geographic Names Information System. The Geographic Names Information System (GNIS) is a database of name and location information about more than two million physical and cultural features throughout the United States and its territories; the associated states of the Marshall Islands, Federated States of Micronesia, and Palau; and Antarctica.
The data is divided into 2,094 tiles that represent 5 × 5-degree areas of the globe, except data obtained from Penn State which is broken up by pre-1992 national boundaries, and data from the National Imagery and Mapping Agency (NIMA) which is broken into just five tiles. The data currency varies from place to place, ranging from the mid-1960s ...
The National Geodetic Survey (NGS) is a United States federal agency based in Washington, D.C. that defines and manages a national coordinate system, providing the foundation for transportation and communication, mapping and charting, and a large number of science and engineering applications. Since its founding in 1970, it has been part of the ...
The state with the most national parks is California with nine, followed by Alaska with eight, Utah with five, and Colorado with four. The largest national park is Wrangell–St. Elias in Alaska: at over 8 million acres (32,375 km 2), it is larger than each of the nine smallest states.