Lisbon Business Card - is actually the easiest and most beneficial way to get to know the city of Lisbon independently. In reality it is a card that allows free and unlimited traffic in the metro, buses, trams and elevators of the Carris or in the trains of the CP between Cais do Sodré and Cascais and Rossio and Sintra, as well as Free admission to 26 museums, monuments and other places of interest.