A journey to the centre of the earth among flowers of rock and impossible sculptures in the heart of Sulcis.

In south-western Sardinia, the Is Zuddas Caves provide a fairytale setting sculpted by water over millions of years. An subterranean labyrinth guarded by Mount Meana, a short distance from the village of Santadi, and a true geological masterpiece.

Maintaining a constant temperature of 16 degrees, the cave welcomes visitors on a 500-metre tour filled with wonders. Pass through majestic chambers such as the Organ Chamber, where a column of stalactites and stalagmites resembles the pipes of a musical instrument, and admire the delicate acicular aragonites, enormous clusters of crystals known as "rock flowers".

Why go there: Is Zuddas is home to a treasure that makes it unique in the world: the eccentric aragonite formations. In the room dedicated to them, these stone filaments defy gravity, stretching out in every direction and creating bright white intertwining patterns resembling "crazy threads", whose origin is still shrouded in mystery.

Interesting facts and tips: At the entrance to the cave, traces of Prolagus sardus, a rodent that has been extinct for centuries, are still visible. If you visit during the Christmas season, the Organ Chamber becomes the setting of an evocative nativity scene enriched with trachyte sculptures.

In the surrounding area: The experience does not end underground. Santadi is a centre of excellence for Carignano wine and traditions, such as the famous Mauritano Wedding. Archaeology enthusiasts can continue their exploration towards the Su Benatzu (or Pirosu) cave, an ancient Nuragic sanctuary, or visit the Pani Loriga site. For those who love nature, the nearby Gutturu Mannu park offers centuries-old forests ideal for trekking.