*Applies to standard trolley pass. Pass is non-transferable. Other restrictions may apply. Pass discounts have no cash value and are not refundable and non-transferable. Historic Harbor Cruise and Boston Summer Nights Sightseeing Tour operate seasonally. 5% city fee charged at time of purchase. **Ghosts & Gravestones: Reservation based tickets are non-refundable. You may reschedule up to 24 hours in advance of tour time.