Cruise along Lisbon's Tagus River on a hop-on hop-off sightseeing cruise! Use a 24-hour ticket to travel around the city, visiting neighborhoods such as Belém, Almada and Alfama. Learn about sights such as the Castle of São Jorge and Lisbon Cathedral from the onboard crew, and hop on and off at any of the four stops to visit top Lisbon attractions at your own pace.