So closed to the Burmester Caves port wine testing, lovely tour, we bought 3 in one ticket from the ribeira by the river for boat trip, world museum and caves burmester €29 each (well we didn’t try to find the cheapest) and worth it., we also took a train about over an hour to Aveiro Portugal Venice and taxi to the beach Costa Nova with stripy houses, the beach was amazing beautiful white sand and must be amazing in the summer.