Alcázar of Toledo

The hilltop that the Alcázar occupies has been fortified since at least the 3rd century AD, when the Romans built a praetorium here — a military governor's compound whose cistern survives intact in the building's lower levels. Visigoths rebuilt it, the Moors transformed it into an alcázar (a fortified palace), and Alfonso VI of Castile captured it when he took Toledo in 1085. For the next four centuries it served as a royal residence: Alfonso X the Wise worked here, and it was familiar to most medieval Castilian monarchs.

The decisive moment in the building's architectural history came in 1537, when Emperor Charles I of Spain (Charles V of the Holy Roman Empire) ordered a complete reconstruction in the Spanish Renaissance style. His architect Alonso de Covarrubias created the current four-towered square plan with the magnificent central courtyard. The building was later damaged by fires and partially rebuilt under Philip II. By the 19th century it had been used as a military academy — the role that would define its most dramatic episode.

On 21 July 1936, at the outbreak of the Spanish Civil War, Colonel José Moscardó Ituarte barricaded approximately 1,200 Nationalist soldiers, civilians, and cadets inside the Alcázar against Republican forces. The 70-day siege that followed became one of the most legendary episodes of the war — including the famous telephone call in which Moscardó was told his son would be shot if the Alcázar did not surrender, and refused. The building was largely destroyed by the end of the siege. Franco's government rebuilt it in the 1940s–60s as a monument to its defenders. The Army Museum, which moved here from Madrid in 2009, has presented this history with more nuance than its predecessors.

Getting there: Toledo is 70 kilometres from Madrid and served by frequent high-speed AVE trains from Madrid Atocha (journey time: 33 minutes; trains run roughly every 30–60 minutes). From Toledo station it is a 1.5-kilometre walk uphill to the old city, or a short bus ride. The Alcázar is at the highest point of the old town — allow 20–30 minutes on foot from the main square, Plaza de Zocodover, following the streets uphill to the eastern end of the city.

At the museum: Entry to the permanent collection is free. The museum is large and the collection is dense — a focused visit using the highlights guide (available in English at the entrance) is more rewarding than attempting to see everything. Don't miss the Roman cistern in the basement, the Charles V Courtyard, the Civil War rooms, and the views from the northern terrace. The guided tour available on GetYourGuide ($23 per person) provides expert context for the Civil War rooms and the archaeological layers, which are difficult to interpret without background knowledge.

Combining with Toledo: The Alcázar pairs naturally with the Cathedral of Toledo (15 minutes' walk), the Church of Santo Tomé with El Greco's masterwork The Burial of the Count of Orgaz, and the medieval Jewish quarter below. Toledo is best visited as a full day from Madrid — arrive at opening time, have lunch in the old city, and take a late afternoon train back.