Monday - Saturday Guided tours start at 10:00, 11:00, 12:00, 1:00, 2:00, 3:00 Sunday Guided tours start at 12:00, 1:00, 2:00, 3:00 Tickets can be purchased online
or just checked their website for current hours and dates
So, basically about every hour or so.
It takes about 1 hr 15
Thanks! Your answer is awaiting moderation.