A rare mosaic death mask made of jadeite and vessels in the shapes of an owl, a monkey and coati-mundi were found with the ruler.

More than 1,500 years ago, the ancient Maya city of Caracol thrived in the forests of modern-day Belize. Rediscovered in the mid-20th century, the city’s ruins include pyramids, monuments, a ball court and countless artifacts.

Found in the ancient city of Caracol, the tomb contained a rare jade mask, ceramics, and jewelry often linked to the Maya ruling class.