Wallraf-Richartz-Museum houses the most extensive collection of medieval Cologne paintings, apart from the Old Pinakothek in Munich, as well as precious works from the time around 1500. Flemish and Dutch masters of the 16th to the 18th century, Rembrandt and Rubens included, are also represented as is a collection of German and French paintings from the beginnings of the modern era until 1900.
The foundations for the museum were laid by Main Attractions 28 the collector Ferdinand Franz Wallraf. The first museum building was constructed in the mid-19th century by the Cologne merchant Johann Heinrich Richartz.
References:Duino Castle was built by the Wallsee family in 1389 on the cliffs overlooking the Gulf of Trieste. It replaced an older castle from the 11th century. Over time, the Wallsee family disappeared and the castle, after having been used as a prison, became the residence of the Luogar and Hofer.
At the end of the 19th century it became the property of Prince Alexander von Thurn und Taxis from the Czech branch of the House of Thurn and Taxis. It remains with the family to this day with his great-grandson Prince Carlo Alessandro della Torre e Tasso, Duke of Castel Duino the current owner. The castle has been opened to the public as a museum and park.