Here is our list of ten castles you can explore that have largely remained the same since they were built in the Middle Ages. Castle Architecture, Defense, Life and History. Weddings in Castles. Medieval Castles! Get Medieval facts, information and history about Medieval Castles. Fast and accurate facts about Medieval Castles. Kids learn about castles built durint the Middle Ages and Medieval times. Protection and defense, features and architecture. Middle Ages Castles This section detailing information about Middle Ages castles illustrate the strength, magnificence and power of the Medieval warlords. Castles: A Nobles power depended on his ability to defend his land. Walls were good, Castles were better. The first castles were made of mud and wood.