Among the collection of approximately 1,500 paintings are world-famous Old Masters by Pieter Bruegel the Elder and Canaletto; the third-largest collection of Spanish Renaissance portraits outside Madrid and Vienna; representative works by Veronese, Velázquez, Rubens, Bellotto, and Cranach the Elder; Central European portraits by Hans von Aachen and the School of Prague; Dutch, Flemish and German genre paintings; and almost 50 paintings and watercolors of Lobkowicz properties by Carl Robert Croll.