Type your answer here... Buidings become monument because every building has something different in it and it is always good.
April 2000
1937
Because presidents lived in it
In 2004. Prior to that, it was a national monument.
In 2004. Prior to that, it was a national monument.
Jewel Cave was set aside as a National Monument by Theodore Roosevelt on February 7, 1908.
It isn't a monument, but a national park. A monument is something made by man, but the Grand Canyon is natural by nature.
It was established as a National Monument by Presidential Proclamation Number 1713, 15 October, 1924. http://www4.law.cornell.edu/uscode/html/uscode16/usc_sec_16_00000431----000-notes.html
Because it is a monument to George Washington.
Madiba monument become South Africa's own Statue of Liberty
No. It is completely within the sovereign territory of the Navajo Nation, and thus outside the jurisdiction of the federal government. As such, it can not become part of the National Park System. It is instead a Navajo Tribal Park.