Booking must be made, under deposit and discount applied between December 5, 2018 and February 28, 2019 for travel in 2019. Offer combinable with all applicable promotions. Not applicable to custom tours. Not applicable on TBA space. Applies to new 2019 bookings only. Offer reliant on space availability. Full cancellation penalties will apply. Additional restrictions may apply; see Travel Terms & Conditions for details. Offer may be withdrawn at any time. Offer available from participating GFOB offices only.