The ramparts of the Moorish Castelo dos Mouros, captured by Christians in 1147, above the town of Sintra, Estremadura, Portugal, Europe

The ramparts of Castelo dos Mouros (Moorish Castle), captured by the Christians in 1147, Sintra, Portugal, Europe

The ramparts of Castelo dos Mouros (Moorish Castle), captured by the Christians in 1147, Sintra, Portugal, Europe

Ruins of Castelo dos Mouros, Sintra, Portugal

View of the ancient Castelo dos Mouros with its stone tower, Sintra municipality, Lisbon district, Portugal, Europe

Moorish Castle (Castelo dos Mouros) walls and ramparts, UNESCO World Heritage Site, Sintra, District of Lisbon, Portugal, Europe

Walls of Castelo dos Mouros (Moorish Castle), captured by the Christians in 1147, Sintra, Portugal, Europe

Bronze statue of King Sancho I at the entrance to the Castelo dos Mouros, Castle of the Moors, in Silves, Algarve, Portugal, Europe

Townscape with Se Catedral de Silves or Silves Cathedral and Castelo dos Mouros castle, Silves, Algarve, Portugal, Europe

Bronze statue of King Sancho I at the entrance to the Castelo dos Mouros, Castle of the Moors, in Silves, Algarve, Portugal, Europe

Castelo dos Mouros, the Moors Castle, in Sintra near Lisbon, part of the UNESCO World Heritage. Europe, Southern Europe, Portugal

Castelo dos Mouros, the Moors Castle, in Sintra near Lisbon, part of the UNESCO World Heritage. Europe, Southern Europe, Portugal