De Monti Castle (Castello de Monti), Corigliano d'Otranto, Lecce, Salento, Apulia, Italy

Historic walled castle in hilltop village of Monsaraz, Alto Alentejo, Portugal, Europe

Zamecke Schody, Castle Stairs, Mala Strana, UNESCO World Heritage Site, Prague, Czech Republic, Europe

Old Castle stairs, Prague, UNESCO World Heritage Site, Bohemia, Czech Republic, Europe

Zamecke Schody, Castle Stairs, Mala Strana, UNESCO World Heritage Site, Prague, Czech Republic, Europe

Clifford's Tower, the former Keep of York Castle, named after Roger de Clifford who was hanged there in 1322, York, Yorkshire, England, United Kingdom, Europe

Stairs leading up to the Palma Cathedral, la Seu. On left Palau March, right Almudaina Castle, Palma Old town, Palma de Mallorca, Majorca, Balearic Islands, Mediterranean Sea, Spain, Europe

Woman an staircase, Felsenpark, castle Falkenstein, Bavarian Forest, Upper Palatinate, Bavaria, Germany

Narrow old alley at nighttime, Hrad&any (Castle District), Prague, Czech Republic, Europe

Castell de Bellver Palma de Mallorca

Castell de Bellver Palma de Mallorca

Village centre wine village Castell, castle Castell, early baroque, on the top right county church St. Johannes, behind it vineyard Schlossberg with stair tower old castle, near Wiesentheid, Steigerwald, Lower Franconia, Franconia, Bavaria, Germany, Europe

Schloss Favorite, Baroque pleasure palace and hunting lodge, Favorite Park, Ludwigsburg, Baden-Wuerttemberg, Germany, Europe

Keep with staircase and viewing platform of the Ruine Hohenhewen ruins, Landkreis Konstanz county, Baden-Wuerttemberg, Germany, Europe

Schloss Favorite, Baroque pleasure palace and hunting lodge, Favorite Park, Ludwigsburg, Baden-Wuerttemberg, Germany, Europe

Gloriette building in the palace gardens Schloss Schoenbrunn palace, UNESCO World Heritage Site, Vienna, Austria, Europe

Inner courtyard, Burg Trausnitz Castle, Landshut, Lower Bavaria, Bavaria, Germany, Europe

Narrow stairway inside the wall, Bran Castle, Toerzburg, Romania, Europe

Staircase leading to the pantries, Fortified Church of Prejmer, UNESCO World Heritage Site, Romania, Europe

Nympenburg Palace, western facade, Munich, Bavaria, Germany, Europe

Burg Hornberg castle, Neckarzimmern, Neckartal, Baden-Wuerttemberg, Germany, Europe

Schloss Schoenbrunn palace, UNESCO World Heritage Site, Vienna, Austria, Europe

Cliffords Tower, York, North Yorkshire, England, United Kingdom, Europe

Castle and hotel Schloss Kittendorf, Mecklenburg-Western Pomerania, Germany, Europe

Marvao ramparts and stairs, Alentejo, Portugal, Europe

Sculpture in the garden of Duino Castle, Italy