Deel van het oude bakstenen bolwerk tegen de wilde natuur - Stockfoto’s en -afbeeldingen

Corner fragment of the fortress wall of Friedland (XIV century). Pravdinsk, Kaliningrad region

White corner tower of red brick with a green pointed roof in a ruinous architectural ensemble Fedorovsky town in the Alexander Park in Tsarskoye Selo in St. Petersburg, Russia

The walls and towers of the monastery of Suzdal

Eastern Prussia the gate of the fortress europe

Vyborg Castle was founded by the Swedes in the 13th century. It is Russia's only fully preserved monument of Western European medieval military architecture.

Eastern Prussia the gate of the fortress europe

Remainings of Old Fortress in Daugavpils, Latvia

Livonian Order castle (Schloss Marienburg) ruins in Aluksne

Lookout Tower of an Old Castle in Bratislava, Slovakia

Part Of An Old Fortified Wall With Tower.Riga. Latvia

Livonian Order castle (Schloss Marienburg) ruins in Aluksne

Television Tower near the Fort, Silistra, Bulgaria

Holy Trinity Chapel in the Courtyard of Medieval Castle

Remainings of Old Fortress in Daugavpils, Latvia

Remainings of Old Fortress in Daugavpils, Latvia