[JRandomFreeper]

17: To exercise exclusive Legislation in all Cases whatsoever, over such District (not exceeding ten Miles square) as may, by Cession of particular States, and the Acceptance of Congress, become the Seat of the Government of the United States, and to exercise like Authority over all Places purchased by the Consent of the Legislature of the State in which the Same shall be, for the Erection of Forts, Magazines, Arsenals, dock-Yards, and other needful Buildings;-

Don't see anything in the Constitution about millions of acres of 'national parks'.

/johnny

[RitchieAprile]

parks were established by act of congress, e.g. by representatives of the people.

file under “other needful buildings”...