One of the most beautiful natural pools in Spain: you enter through a ‘hole’ after following a hiking trail California18 11 months ago Foradada de Cantonigròs, Barcelona (Getty) La Foradada de Cantonigròs (Town Hall of Esquirol) The Foradada de Cantonigròs (Getty) The castle that has a wine museum and is among the most beautiful in Spain The hidden jewel of Malaga: a cave with a natural pool The incredible castle that the Government sells: a Muslim fortress that was the headquarters of the Civil Guard