Discover more on this lisbon combo tour which includes four hop on hop off tours for the most comprehensive lisbon sightseeing experience see portugals capital from four different bus routes the tagus tour the olisipo tour the belem tour the hills tramcar tour and the castle tramcar tour the open top buses on the tagus and olisipo tours allow you to get off at places like rossio square the square of the fig tree and the oceanarium in belem the minibus tour stops at the popular belem