The medieval castle of Trancoso. Portugal Multicityworldtravel.com
Walls of the Moorish Castle - Sintra - District of Lisbon Its walls are composed of a double waist, exterior and interior. The East is still visible sections of the outer wall, where is the door to trundle access to the grounds. The top of the inner wall, battlements, is crossed by battlement, being reinforced by several towers.
Palácio de Queluz, Portugal
Soajo una aldea turística en Arcos de Valdevez | Portugal Turismo
The Biblioteca Joanina Library with the statue of King Joao III, University of Coimbra, Beira Litoral, Portugal, the University was first established in 1290