if there are activities that a 14 year old might find particularly fun in Lisbon, Sintra, Porto or points between them (no car- bus/train travel only), I'd welcome suggestions. I'm dealing with a somewhat reluctant traveler this go-round, only teen child; he enjoys good food/seafood, but doesn't particularly like churches or museums, so I'll need to be creative to keep him engaged. Castles have a greater appeal, and I think the Lisbon aquarium will be a hit.
Thanks for any suggestions.