It is still a working courthouse for the Court of Appeals First District and it is also a historical building that anyone can enter and see or take photo as the backdrop. The main entrance is the door facing Fannin St. You can take the stair up to the main lobby or at the ground flood under the stairway there is another entrance which an elevator, so the ground floor is floor 1 and the main lobby is floor 2. The historical exhibit is on the 6th floor read more