New York City's Metropolitan Museum of Art (The Met) is one of the world's premier destinations for artistic and historical exhibitions. But this epicenter of worldly culture is not above admitting the occasional mistake. Even when the correction comes from one curious 13-year-old boy.

The Hartford Courant reports that 13-year-old Benjamin Lerman Coady found an error in the Met's Byzantine Gallery during a recent visit. The seventh-grader is a fledgling history buff who recently studied the Byzantine Empire in school.

While checking some of the dates on the map, Coady noticed that sections featuring Spain and Africa were missing....