Japanese Fortified Temples and Monasteries AD 710–1602

Japanese Castles 1540–1640

Japanese Castles 1540–1640

Nagashino 1575: Slaughter at the barricades

Nagashino 1575: Slaughter at the barricades

Japanese Castles AD 250–1540

The Walls of Constantinople AD 324–1453

The Walls of Constantinople AD 324–1453

Crusader Castles of the Teutonic Knights (2): The stone castles of Latvia and Estonia 1185–1560

Crusader Castles of the Teutonic Knights (1): The red-brick castles of Prussia 1230–1466

Crusader Castles of the Teutonic Knights (1): The red-brick castles of Prussia 1230–1466

Chinese Walled Cities 221 BC– AD 1644

Chinese Walled Cities 221 BC– AD 1644

The Great Wall of China 221 BC–AD 1644