On the outskirts of Sortelha, in the granite foothills of the Serra de Opa, nature seems to have played sculptor. Among the most famous boulders are the "Pedra do Beijo" (Kissing Stone) and the "Cabeça da Velha" (Old Woman's Head), granite blocks that human imagination completes as if they were intentional works. But with a little exploration, you'll discover many other curiously shaped rocks, each with its own enigma.