castle and museum of the Old City of Segovia (Spain), UNESCO World Heritage Site

bridge over river Manzanares in Madrid

royal house situated on the banks of the Tagus River, built in the XVIth century and nowdays in ruins

royal house situated situated in the Guadarrama mountains, built in the XVIth century and nowdays in ruins

Significant architectural structure, part of the Royal Alcázar of Madrid