AllMovie

Stunning photography, dramatic reenactments, and commentary by historians help bring to life the castle kingdoms that were built along the Mediterranean between the 2nd century B.C. and the 19th century A.D. Volume four in the five-part Castles Throughout Time series features two segments. "Once Upon a Time" looks at the many reasons why castle life has long played a major role in mythology and fantasies. Secret passageways, dungeons, tournaments, princes, and other castle mainstays still fascinate readers and students of all ages. "Sentinels of the Sea" helps viewers understand why Spanish emperor Philip II began ordering his men to build numerous watchtowers and fortresses along the coasts.