Duchy of Warsaw: Did you mean...?

Chronos and His Child by Giovanni Francesco Romanelli, National Museum in Warsaw, a 17th-century depiction of Titan Cronus as "Father Time," wielding a harvesting scythe.

A 19th-century illustration of Ryujin, the dragon king and sea god of Japanese mythology. Here he is chasing the princess Tamatori. National Museum, Warsaw.

A 1617 portrait by Paul van Somer of Sir Francis Bacon (1561-1626), the English philosopher, statesman, and author. (Łazienki Palace, Warsaw)

Codex Vaticanus, which may contain Constantine I’s original Bible. Photo taken in Warsaw in 2015.

Portrait of Prince Józef Poniatowski (1763-1813), Polish nobleman, soldier, and marshal of the French Empire. Killed on 19 October 1813 at the end of the Battle of Leipzig. Oil on canvas portrait by Josef Grassi, c. 1810. Royal Castle in...

Romeo says farewell to Juliet before going to exile in Mantua, hurried along by Juliet's Nurse (right), oil on canvas painting by Marcello Bacciarelli, 1796. National Museum, Warsaw.

A 7th century CE bird frieze from a cathedral at Faras, southern Egypt/northern Kush. (National Museum, Warsaw)

Battle of Grunwald (1410), oil on canvas painting by Jan Matejko, 1878. National Museum, Warsaw.

The Battle of Khotyn (1621), oil on canvas painting by Józef Brandt, depicting Jan Karol Chodkiewicz (on the white horse), 1867. National Museum, Warsaw.

The Sacrifice of Gideon, oil on canvas painting by Hendrik Heerschop, 1653. Museum of John Paul II Collection, Warsaw.