If you recall your history, the Capitol Hill sent its Union Army to take down the C.S.A. flag, and replace it with their own.
In order to do so they killed and pillaged over a large area.
More Americans lost their lives fighting The War of Northern Aggression, than in any other war the U.S. has fought.
Best to ask the Yankees of the Northern States if they will allow it.
I believe the actual name is "The Cross of St. Andrew".
Me?
Should be in museums and in books.
The South and its "cause" were crushed; so much so that 140 years after the fact Southerners still have a "chip on their shoulder" over losing the war.
Generally speaking, any place you drive up to, which has lots of pickup trucks with Rebel Flags and gun racks displayed in them, is a good place to get your *ss beat.
Better yet, drive through "schwartzetown, U.S.A." late at night in a car displaying the Rebel Flag; you're certain to meet some new friends.