Although its existence was already known by the people of the town, it was not until 1968 when the Gracia Center of Speleologists explored them for the first time. The “Meravelles” are the most impressive of the set of caves called “La Aumidiella”, with a wealth of formations, showing stalactites, stalagmites, flags, gours, and even the so-called “eccentrics”, which dare to play with the law of gravity by growing inexplicably in all possible directions.