Ruined Stone Fortress — Gray

4320 × 3240

Stone Fort Tower

2592 × 1944

Great Wall of China — Green, Serene, Afternoon, Photograph, Fortress, Mountain

1680 × 1050

Stone Castle Tower — Green, Serene, Afternoon

2400 × 1800

Stone Tower on River

1600 × 1200

ancient brick fortress gate

1024 × 768

Ancient Stone Fortress — Brown, Serene

1200 × 750

Medieval fortress with stone walls

1280 × 960

Mehrangarh Fort

1024 × 768

Great Wall of China — Blue, Serene, Afternoon, Photograph, Fortress

1600 × 1200

Great Wall of China — Brown, Dramatic, Sunset, Photograph, Mountain, Fortress, Path

2560 × 1920

Great Wall of China — Green, Misty, Photograph, Fortress, Mountain

1600 × 1000