Palm Grove of Elche Monument · Elx/Elche, El Baix Vinalopó, Alicante The largest palm grove in Europe, with more than 200,000 palm trees, declared a UNESCO World Heritage Site, of Muslim origin dating from the 10th century. Photo: No machine-readable author provided. Rodriguillo assumed (based on copyright claims). (Public domain) What to see and do in Elx/Elche