US could do that, sure.
But I bet it'd quickly find out just how much of its power, safety and bravado is due to being located in a geographically safe and isolated area with no real hostile armies trying to end them from the other side of the border.
Just how much of that willingness to fight comes from invading foreign underdeveloped territories across the sea, with little chance for the fight to make its way back to US cities and US civilians.
Easy to start fights from the comfort of a distant home, sending only military lives into the far away battlefield.
Something Europe, Asia, Africa and the Middle East can't claim, as they have to contend with potentially bad neighbors due to all sorts of reasons.
Go ahead, poke the bear, FAFO.
So... You take a prison which:
And you get:
Yes. Brilliant idea. Hopefully by the time the prison is ready Trump and his cronies get to be the first "tenants". And whoever comes next declares the prison closed again and leaves them rotting there.