Alaska has eight national parks (some are also preserves), three national monuments, and three national preserves not connected with any national park.
California has seven national parks (or eight, if you count Sequoia and Kings Canyon as separate), six national monuments, and one national preserve.
I'll let you decide which state has the "greatest number."
In the United States, the US federal government owns national monuments and operated by National Park Service, a division of the US Dept. of the Interior.
There are 109 National Monuments in the United States. The most recent National Monument was designated by President Obama this year and is the Organ Mountains in New Mexico.
In the United States, the task falls to the National Park Service, established in 1916. The NPS is part of the Department of the Interior.
The United States has the greatest number and variety of elections.
The United States has many national monuments. A few of the national monuments include George Washington Birthplace National Monument is in Westmoreland County, Virginia; Little Bighorn Battlefield National Monument near Crow Agency, Montana; President Lincoln's Cottage in Washington, D.C.; and the Statue of Liberty. Additional U.S. monuments include Lincoln Memorial in Washington, D.C.; Mount Rushmore near Keystone, South Dakota; and Vietnam Veterans Memorial in Washington, D.C.
As of 2011, there are 58 areas in the US, administered by the National Parks Service and legally designated as national "parks" (as opposed to national monuments, lakeshores, recreational areas, etc).
There are 109 National Monuments in the United States. The most recent National Monument was designated by President Obama this year and is the Organ Mountains in New Mexico.
All New England states have either National Monuments, Historical sites, Recreation Areas, etc., but the only state with a National Park is Maine. In Maine is Acadia National Park.
In the United States, national parks are managed by the National Park Service, which is part of the U.S. Department of the Interior (DOI). National Parks can only be created or decommissioned by the United States Congress. The President of the United States, however, can create National Monuments without Congressional approval by using the American Antiquities Act of 1906.
Washington DC is the national capital so it is natural to put national monuments in the capital. The city was literally designed out of a swampy land to be the location for national focus. In the 50 states there are national monuments, parks, federal parks, and historical sites.
The Grand Canyon is the number one tourist spot in America. Manhattan was rated number 2. Yellowstone was number 3. The Golden Gate Bridge was 4. Niagara Falls was number 5.http://www.touropia.com/tourist-attractions-in-the-usa/
There are about 100 national monuments in the United States, including:Grande Staircase - Escalante, UtahJewel Cave, South DakotaMount St Helens, WashingtonPoverty Point, LouisianaPresident Lincoln and Soldiers' Home, District of ColumbiaYou can read more and see photos of these and the other 95 monuments, below.