well it seems that back in the mid 70s to present, some of the national parks and monuments were handed over to the UN, with the assumed name of World Heritage, which is made up of 148 different countries controlling our parks and monuments. below is the link from the US National Parks Service.
http://www.nps.gov/oia/topics/worldheritage/worldheritage.htm below is the link to the world heritage site where you can see which parks and monuments were handed over to a bunch of foreigners
http://whc.unesco.org/en/list/changes my mind of ever going to them parks now. to bad our tax dollars are still footing the bill for those foreign controlled parks and monuments.