King Willem-Alexander (left) is greeted by Bronislaw Komorowski, president of Poland, at the Presidential Palace in Warsaw on June 24, 2014. (Photo by Adam Nurkiewicz/Getty Images)
King Willem-Alexander and Queen Maxima (right) visit the Tomb of the Unknown Soldier in Warsaw on June 24. (Photo by Adam Nurkiewicz/Getty Images)
Queen Maxima of the Netherlands. (Photo by Adam Nurkiewicz/Getty Images)