The U.S. would do well to decommission it,kick any remnants out of the U.S. and sell the land the building is on.
Second-world communist organization. Red China and its allies want to bring back the second world; they’ve been taking over large swathes of the third world for decades while they wait for their largest goals to be realized.
Not to mention, Alger Hiss used the 1936 USSR constitution as his inspiration for the UN Charter. And subsequently, the EU is patterned after that charter.