Don Wildman shares his advice on how to explore America's underworld.
The most surprising thing resulting from the 50-year absence of American tourists in Cuba is the remarkable health of the beautiful coral reefs that line its shores.
Don Wildman was destined to be a schoolteacher and he's neurotic about packing.
Find out what Don Wildman takes with him on every trip.
What hasn't Wildman crossed off his list yet?
All New: Tuesday, July 25 at 9|8c