Since its discovery nearly 50 years ago, a room beneath the Medici Chapels in Florence covered in sketches has been closed to the public. Next month, that will change.

Children’s sketches of violent scenes of gladiators and hunters battling animals have been uncovered at the archaeological park of Pompeii, the park’s superintendent has said.

A collection of drawings by Leonardo da Vinci makes its U.S. debut in Washington, D.C. — not at a museum, but at a public library. The Martin Luther King, Jr. Memorial Library hosts the exhibition.