Madrid's documented history dates to 9th century, inhabited since Stone Age. Founded as military outpost by Cordobese emir Muhammad I in late 9th century. Conquered by Christians in 1083 or 1085, becoming Castilian town. Society structured around knight-villeins and Muslim/Mozarabic communities
Originated as a 15th century city wall gate, named after rising sun. Was important meeting place for Spanish couriers between 17th-19th centuries. Houses famous clock marking Twelve Grapes and New Year celebrations. Became symbol of Spanish democracy demonstrations in 2011
Journey takes 2 hours 30 minutes via high-speed trains. Distance between cities is 506 kilometers. Over 40 daily trains operate between Barcelona and Madrid. First train departs at 5:40 AM, last at 9:00 PM
Seasons 1 and 2 were shot in Madrid's Royal Mint, used by CSIC. The zeppelin scenes were filmed above Plaza del Callao. The Four Towers in Paseo de la Castellana were featured. The Spanish Bank building is actually Ministry of Public Works
Distance between Barcelona and Madrid is 314 miles. Journey takes 2 hours 30 minutes on average. AVE runs 14 daily departures from Barcelona Sants. Night trains depart at 8:00pm, arrive at 11:17pm
Airport has four terminals: T1, T2, T3, and T4. Terminals 1-3 are close together for walking. Terminal 4 is further away, connected by shuttle bus. Terminal 4S serves non-Schengen flights