What lies beneath? David Duchovny takes us into the top-secret government bases and the clandestine operations they were built to conceal. New episodes Friday. #SecretsDeclassified | HISTORY

Alexander the Great: Epic Conquest of the Persian Empire Alexander the Great transformed history: Philip II’s murder, Greek unification, and a bold plan to invade Persia. At twenty, he reformed armies, conquered Asia Minor, then reshaped a nascent Hellenistic world. #AncientHistory #AncientGreece | Epic History TV

In the late 15th century, Isabella of Castile (1451–1504) rose from princess to one of the most influential rulers of Europe. Her marriage to Ferdinand of Aragon united two powerful kingdoms, laying the foundation for modern Spain. Unlike many queens consort, Isabella was no passive figure—she ruled as an equal, sharing power in what was famously called the “joint monarchy.” Her reign was marked by bold decisions. In 1492, she and Ferdinand completed the Reconquista, capturing Granada and ending