Reservations are available for single guests on most tours. Public tours require a minimum of two guests to operate. If the tour capacity is unmet, we will contact you to schedule an available tour or refund your deposit. Pick-up requests are not guaranteed for single guests. You may be asked to meet at a central location for pick-up/drop-off. If pick-up at your requested location is unavailable, we will contact you 24 hours before your tour to schedule an alternate location.