Museo Thyssen-Bornemisza

Completing Madrid's Art Triangle, the Thyssen-Bornemisza boasts a staggering 1,600-piece collection spanning eight centuries, from Italian primitives to pop art. It draws 900,000 annual visitors, 50% fewer than #1 Prado, but offers 30% more Caravaggio works than the average European museum, including 8 canvases. Its compact layout allows a complete tour in 2 hours, 40% faster than exploring the Prado's expansive galleries.