Mercadante Caves

Head to Capo d'Orlando to check out these fascinating sandstone formations carved with mysterious circular grooves, a geological curiosity that's been puzzling locals and researchers alike. The site has an eerie, ancient quality to it — the large disc-shaped rocks with their precise-looking cuts raise real questions about their origins, whether natural or human-made. It's the kind of place that sparks genuine conversation and isn't on most tourist itineraries.