Fort tower overlooking the ocean

2253 × 1690

Fort with American flag

1400 × 1406

Three cannons at a coastal fort

1200 × 804

Fort on Island in Ocean

1200 × 796

Men with a large cannon

1392 × 1102

Aerial view of Corregidor Island

1116 × 887

ruins of a stone building

1800 × 2400

Dunnottar Castle

1026 × 713

Ruins of a city street

1024 × 985

Ancient Ruins by Sea

1600 × 1200

Union officers with cannon at Gettysburg

2000 × 1848

Ancient amphitheater by the sea

1754 × 1164