Take the heat out of sightseeing by swapping lisbons backstreets for the open waters of the tagus river on a hop on hop off cruise an easy and convenient way to experience the portuguese capital this cruise takes you to some of lisbons most popular attractions including the christ the king monument and unesco listed belm tower while soaking up postcard perfect views and fascinating commentary your ticket is valid for 24 hours allowing you to enjoy the wonders of lisbon at your own pace