- Artist: Diego Velázquez
- Date: 1656
- Location: Floor 0, Room 012
- Description: Often considered the pinnacle of Western art, this enigmatic painting captures a moment in the Spanish royal court, featuring Infanta Margarita Teresa surrounded by her entourage. The innovative composition invites viewers to ponder the nature of reality and art, as Velázquez cleverly includes himself in the scene, blurring the lines between artist and subject.