Carnarvon, carnarvon, built between 1283 and 130 1, was the most impressive fortress in Edward I of England. Almost indestructible. Polygonal towers and colorful masonry buildings are based on the 5th century wall of Constantinople, which is the difference between it and other Welsh castles. Twenty-eight men with different heights resisted the siege of Glyndwr troops from Owen at 1404. /kloc-during the civil war in the 0/7th century, three attacks on the castle ended in failure. These towers are embedded with gorgeous stained glass and exquisite stone carvings, the most exquisite of which is the Eagle Tower, but the eagle carved on them has weathered after 728 years of wind and rain. There is a museum in the Queen's Tower to commemorate the Royal Welsh Fusiliers, the oldest infantry regiment in Wales. Other towers show the battle of Edward I of England's conquest of Wales and the inauguration ceremony of the latest Prince of Wales (Prince Charles) in 1969.