Spread all over Diquis Delta, and on the Isla de Cano, the mysterious stone spheres of Costa Rica have fascinated scientists ever since they were discovered, in 1930.
Known as “Las Bolas”, by the locals, the spheres range from a few inches to meters, in diameter, and reach weights of up to 16 tons. Researchers believe they were sculpted before 200 BC and 1500 AD, but since the only way of establishing their age is stratography, and most of the balls are no longer in their original locations, it’s difficult to say for sure.
