I was visiting Baltimore's Inner Harbor recently with my wife and our two kids. With a couple of hours available, we thought we'd checkout the aquarium. Then we

I was visiting Baltimore's Inner Harbor recently with my wife and our two kids. With a couple of hours available, we thought we'd checkout the aquarium. Then we learned our 4 tickets would cost $130 ($40/adult, $25/child), so we found something else to do instead. I know an aquarium is not an art museum, but still...