001 - Japanese Pacific Island Defenses 1941-1945
002 - Hadrian’s Wall AD 122-410
003 - U-Boat Bases and Bunkers 1941-1945
004 - American Defenses of Corregidor and Manila Bay 1898-1945
005 - Japanese Castles 1540-1640
006 - American Civil War Fortifications (1) Coastal Brick and Stone Forts
007 - The Lines of Torres Vedras 1809-1811
008 - Defenses of Pearl Harbor and Oahu 1907-1950
009 - English Civil War Fortifications 1642-1651
010 - The Maginot Line 1928-1945
011 - Crusader Castles of the Teutonic Knights (1) The Red-Brick Castles of Prussia 1230-1466
012 - Fortresses of the Peninsular War 1808-1814
013 - Norman Stone Castles (1) The British Isles 1066-1216
014 - Fortifications in Wessex c. 800-1066
015 - Germany’s West Wall The Siegfried Line
016 - The Fortifications of Malta 1530-1945
017 - Troy c. 1700-1250 BC
018 - Norman Stone Castles (2) Europe 950-1204
019 - Crusader Castles of the Teutonic Knights (2)
020 - British Home Defences 1940-1945
021 - Crusader Castles in the Holy Land 1097-1192
022 - Mycenaean Citadels c. 1350-1200 BC
023 - German Field Fortifications 1939-1945
024 - Fortifications of the Western Front 1914-1918
025 - The Walls of Constantinople AD 324-1453
026 - Afghanistan Cave Complexes 1979-2004
027 - French Fortresses in North America 1535-1763
028 - Forts of the American Frontier 1820-1891 Central and Northern Plains
029 - US World War II and Korean War Field Fortifications 1941-1953
030 - Fort Eben Emael The Key to Hitler's Victory in the West
031 - Rome's Northern Frontier AD 70-235 Beyond Hadrian's Wall
032 - Crusader Castles in the Holy Land 1192-1302
033 - Special Forces Camps in Vietnam 1961-1970
034 - Japanese Fortified Temples and Monasteries AD 710-1062
035 - British Fortifications in Zululand 1879
036 - US Strategic and Defensive Missile Systems 1950-2004
037 - D-Day Fortifications in Normandy
038 - American Civil War Fortifications (2) Land and Field Fortifications
039 - Russian Fortress 1480-1682
040 - Ancient Greek Fortifications 500-300 BC
041 - The Channel Islands 1941-45
042 - The Vauban Fortifications of France
043 - Roman Legionary Fortresses 27 BC-AD 378
044 - American Coastal Defenses 1885-1950
045 - German Defences in Italy in World War II
046 - Castles and Tower Houses of the Scottish Clans 1450-1650
047 - Fortifications of the Incas 1200-1531
048 - Viet Cong and NVA Tunnels and Fortifications of the Vietnam War
049 - The Spanish Main 1492-1800
050 - The Forts of Celtic Britain
051 - Indian Castles 1206-1526 The Rise and Fall of the Delhi Sultanate
052 - The Fortifications of Gibraltar 1068-1945
053 - Defending Space US Anti-Satellite Warfare and Space Weaponry
054 - Forts of the American Frontier 1820-1891 The Southern Plains and Southwest
055 - Cathar Castles Fortresses of the Albigensian Crusade 1209-1300
056 - Rome's Saxon Shore Coastal Defences of Roman Britain AD 250-500
057 - The Great Wall of China 221 BC-AD 1644
058 - Vietnam Firebases 1965-1973.American and Australian Forces
059 - Crusader Castles in Cyprus, Greece and the Aegean 1191-1571
060 - The Forts of the Meuse in World War I
061 - Medieval Russian Fortresses AD 862-1480
062 - Soviet Field Fortifications 1941-1945
063 - The Atlantic Wall (1) France
064 - The Castles of Edward I in Wales 1277-1307
065 - The Forts of Judaea 168 BC-AD 73 From the Maccabees to the Fall of Masada
066 - The Castles of Henry VIII
067 - Japanese Castles in Korea 1592-1598
068 - American Civil War Fortifications (3) The Mississippi and River Forts
069 - The Berlin Wall and the Intra-German Border 1961-1989
070 - Strongholds of the Border Reivers Fortifications of the Anglo-Scottish Border 1296-1603
071 - The Walls of Rome
072 - German V-Weapon Sites 1943-1945
073 - Hittite Fortifications c.1650-700 BC
074 - Japanese Castles AD 250-1540
075 - The Forts of New France in Northeast America 1600-1763
076 - Saracen Strongholds AD 630-1050
077 - The Stalin and Molotov Lines Soviet Western Defences 1928-1941
078 - The German Fortress of Metz 1870-1944
079 - Israeli Fortifications of the October War 1973
080 - British Forts in the Age of Arthur
081 - Maori Fortifications
082 - Scottish Baronial Castles 1250-1450
083 - Roman Auxiliary Forts 27 BC-AD 378
084 - Chinese Walled Cities 221 BC-AD 1644
085 - Scapa Flow.The Defences of Britain's Great Fleet Anchorage 1914-1945
086 - English Castles 1200-1300
087 - Saracen Strongholds 1100-1500 The Central and Eastern Islamic Lands
088 - The Mannerheim Line 1920-1939 Finnish Fortifications of the Winter War
089 - The Atlantic Wall (2) Belgium, The Netherlands, Denmark and Norway
090 - Greek Fortifications of Asia Minor 500-130 BC
091 - The Fortifications of Ancient Israel and Judah 1200-586 BC
092 - Strongholds of the Picts The Fortifications of Dark Age Scotland
093 - The Forts of New France - The Great Lakes, the Plains and the Gulf Coast 1600-1763
094 - Spanish Colonial Fortifications in North America 1565-1822
095 - Ottoman Fortifications 1300-1710
096 - The Fortress of Rhodes 1309-1522
097 - Colditz Oflag IV-C
098 - The Fortifications of Ancient Egypt 3000-1780 BC
099 - Defense of Japan 1945
100 - The Fuhrer's Headquarters Hitler's Command Bunkers 1939-1945
101 - The Forts of Colonial North America British, Dutch and Swedish Colonies
102 - Defense of the Rhine 1944-1945
103 - The Fortifications of Verdun 1874-1917
104 - Fortress Monasteries of the Himalayas.Tibet,Ladakh,Nepal and Bhutan
105 - Forts of the American Frontier 1776-1891. California, Oregon, Washington, and Alaska
106 - Forts of the War of 1812
107 - Defense of the Third Reich 1941-1945
108 - Germany’s East Wall in World War II
109 - The Atlantic Wall (3) The Sudwall
110 - Forts of the American Revolution 1775-1783