Well we called and called to make reservations but no answer or call back. Noticed the visitors center we closed on Tuesdays, but there ding said the front gate entry was open till 6pm Sunday through Thursday so figured a Tuesday would be safe to find the spot. Got there and the gates are locked, no self pay because it's on the other side of the gate. I guess they are completely closed down on tuesdays. Very disappointed. Have a meeting in Houston in the morning. Had to get a hotel.