Rumeli Fortress in Istanbul

1772 × 1181

Rumeli Hisarı Fortress — Blue

1600 × 1046

Rumeli Fortress and Bosphorus

2750 × 1798

Rumeli Hisarı fortress

1600 × 1200

Rumeli Hisarı at night

1170 × 780

Star-shaped Fortress — Green, Serene, Autumn

1422 × 800

Bran Castle in Romania

1024 × 768

Bran Castle in Romania

1173 × 772

Winter view of a historic fortress

2048 × 1536

Festung Kufstein fortress

3008 × 2000

ancient stone fortress walls

1600 × 1030

Khotyn Fortress in Ukraine

1600 × 1200