20 Incredible Landmarks in Portugal. Photographing this Lisbon landmarks is one of the top things to do in Lisbon. The tower itself is on the northern banks of the Tagus River in Lisbon and was designed to defend Lisbon from attack. #travel #europe #portugal #lisbon Solo Travel Europe, Travel Route, Europe Travel Guide, Famous Monuments, Famous Landmarks, Romantic Vacations, Romantic Travel, European Destination, European Travel