Downtown Springfield, Illinois just a few blocks from the Old State Capitol Building, sits the original Abraham Lincoln House on its original place. This four block area is now preserved as a National Historic area with Rangers giving tours. This house us restored to the condition it was as of about 1860 complete with the second story railing put up by Lincoln to keep his kids out of mischief.
His boy’s bedroom was on this second floor and they used to go out on the roof.
A famous painting of the house in 1860: