Famous national monuments include the Lincoln Memorial, Mount Rushmore and the Statue of Liberty. National monuments in the United States are protected under the National Parks Service, and are naturally occurring, man-made or historically significant areas. As of October 2015, there are 112 designated national monuments in the United States.
Located on the National Mall in Washington, D.C., the Lincoln Memorial is a tribute to Abraham Lincoln, the 16th president of the United States and writer of the Emancipation Proclamation, which ended slavery. The monument, which is made of carved marble, stands to not only honor President Lincoln's work, but also as a symbol of freedom to all.
The Mount Rushmore National Memorial, located in the Black Hills of South Dakota, is carved into the front of granite-based Mount Rushmore. Presidents carved into Mount Rushmore include George Washington, Thomas Jefferson, Theodore Roosevelt and Abraham Lincoln. The Mount Rushmore National Memorial was introduced as a way to show the beginning, development and preservation of the United States.
The Statue of Liberty Enlightening the World, more commonly known as the Statue of Liberty, was a gift of friendship from France and is a symbol of democracy and freedom. The statue sits upon Liberty Island, New York, which is located near Ellis Island, the location where many immigrants arrived in the late 1800s and early 1900s. Dedicated in 1886, the Statue of Liberty was declared a national monument in 1924.