Changes

:'''National monument (NM)''' is intended to preserve at least one nationally significant resource (usually smaller than a NP and less diversity of attractions).  

:'''National monument (NM)''' is intended to preserve at least one nationally significant resource (usually smaller than a NP and less diversity of attractions).  

:'''National preserves (PRES)'''. This category was established primarily for the protection of certain resources. Activities such as hunting and fishing or the extraction of minerals and fuels may be permitted if they do not jeopardize the natural values.  

:'''National preserves (PRES)'''. Areas set aside for the protection of certain resources, although activities such as hunting & fishing or the extraction of minerals/fuels may be permitted if they do not jeopardize the natural values.  

:'''National reserves (RES)''' are similar to the preserves. Management may be transferred to local or state authorities.   

:'''National reserves (RES)''' are similar to the preserves. Management may be transferred to local or state authorities.   

Preserving shoreline areas and off-shore islands,the '''national lakeshores''' and '''national seashores''' focus on the preservation of natural values while at the same time providing water-oriented recreation. Although national lakeshores can be established on any natural freshwater lake, the existing four are all located on the Great Lakes. The national seashores are on the Atlantic,Gulf, and Pacific coasts.

:'''National lakeshores''' and '''national seashores''' focus on the preservation of natural values while at the same time providing water-oriented recreation.

:'''National rivers (NR)''' and '''wild and scenic riverways (W&SRR)''' preserve ribbons of land bordering on free-flowing streams which have not been dammed, channeled, or otherwise altered. Besides preserving rivers in their natural state, these areas provide opportunities for outdoor activities such as hiking,canoeing, and hunting.  

:'''National rivers (NR)''' and '''wild and scenic riverways (W&SRR)''' preserve ribbons of land bordering on free-flowing streams which have not been dammed, channeled, or otherwise altered. Besides preserving rivers in their natural state, these areas provide opportunities for outdoor activities such as hiking,canoeing, and hunting.  

:'''National scenic trails' (NST)'' are generally long-distance footpaths winding through areas of natural beauty.  

:'''National scenic trails (NST)''' are generally long-distance footpaths winding through areas of natural beauty.  

:'''National historic site (NHS)''' preserves places and commemorate persons, events,and activities important in the nation’s history. Often preserved or restored to reflect their appearance during the period of their greatest historical significance.

:'''National historic site (NHS)''' preserves places and commemorate persons, events,and activities important in the nation’s history. Often preserved or restored to reflect their appearance during the period of their greatest historical significance.

:A wide variety of titles '''national military park, national battlefield park, national battlefield site, and national battlefield''' — has been used for areas associated with American military history. But other areas such as national monuments and national historical parks may include features associated with military history. '''National historical parks''' are commonly areas of greater physical extent and complexity than national historic sites. The lone '''international historic site''' refers to a site relevant to both U.S. and Canadian history.

:'''National historical parks (NHP)''' are commonly areas of greater physical extent and complexity than national historic sites.

 

:'''National military park, national battlefield park, national battlefield site, and national battlefield''' — used for areas associated with American military history although other areas may include features associated with military history.  

 

:'''International historic site''' refers to a site relevant to both U.S. and Canadian history.

:'''National memorial''' usually used for areas that are primarily commemorative, such as the Lincoln Memorial in Washington D.C. <ref>Several areas whose titles do not include the words "national memorial" are nevertheless classified as memorials. These are Franklin Delano Roosevelt Memorial, Korean War Veterans Memorial, Lincoln Memorial, Lyndon Baines Johnson Memorial Grove, Theodore Roosevelt Island, Thomas Jefferson Memorial, Vietnam Veterans Memorial, Washington Monument, and World War II Memorial in the District of Columbia; USS Arizona Memorial in Hawaii; Jefferson National Expansion Memorial in Missouri; Perry’s Victory in Ohio; and Arlington House in Virginia.</ref>

:'''National memorial''' usually used for areas that are primarily commemorative, such as the Lincoln Memorial in Washington D.C. <ref>Several areas whose titles do not include the words "national memorial" are nevertheless classified as memorials. These are Franklin Delano Roosevelt Memorial, Korean War Veterans Memorial, Lincoln Memorial, Lyndon Baines Johnson Memorial Grove, Theodore Roosevelt Island, Thomas Jefferson Memorial, Vietnam Veterans Memorial, Washington Monument, and World War II Memorial in the District of Columbia; USS Arizona Memorial in Hawaii; Jefferson National Expansion Memorial in Missouri; Perry’s Victory in Ohio; and Arlington House in Virginia.</ref>

:'''National parkways''' encompass ribbons of land flanking roadways and offer an opportunity for driving through areas of scenic interest.  

:'''National parkways''' encompass ribbons of land flanking roadways and offer an opportunity for driving through areas of scenic interest.  

:One area of the National Park System has been set aside primarily as a site for the '''performing arts'''. This is Wolf Trap National Park for the Performing Arts, Virginia, America’s first such national park. Two historical areas, Ford’s Theatre National Historic Site,in Washington,D.C., and Chamizal National Memorial, Texas, also provide facilities for the performing arts.  

:'''Performing arts'''. Wolf Trap, Virginia (NP), Ford’s Theatre, Washington,D.C. (NHS), and Chamizal, Texas (NM) are sites designated as providing facilities for the performing arts.