Serene coastal scene with an ancient stone tower on a small island, clear turquoise waters, sandy beach, and people enjoying the seaside in Cornwall, UK. North Sardinia is where turquoise seas meet time-worn castles, and every winding road seems to end at a view worth gasping over. This corner of the island is rugged, sun-kissed, and just a little bit wild — the kind of place that rewards explorers who...