Monday through Friday: Available tour times: 9:00 AM to 5:00 PM with the 5:00 PM tour being the last tour of the day Tours should be scheduled with 30-minute intervals between each appointment. Saturday and Sunday: Available tour times: 10:00 AM to 4:00 PM, with the 4:00 PM tour being the last tour of the day Tours should be scheduled with 30-minute intervals between each appointment.