This site has a long history of being a fortress and palace for Romans, Visigoths and Muslims. Most of the Alcázar de los Reyes Cristianos we see today was rebuilt by King Alfonso XI of Castile starting in 1327. Although he was Catholic, his palace was designed using a Mudéjar style favored by the Muslims of Al-Andalus. Historical events here included a civil war fought by Henry IV of Castile against his half-brother, residency of monarchs including Isabella I and Ferdinand II, the financing for the first voyage of Christopher Columbus, the center for the Spanish Inquisition for three centuries, a military garrison run by Napoleon’s army in 1810, and a jail before being opened to the public. Inside are two lovely courtyards, displays of Roman and Moorish artifacts plus a royal bath. These people are walking at the base of the Tribute Tower. It is also called the Homage Tower because it was the venue for knights to swear their allegiance.