Discovering the mysterious underground cities of the Marche region
OSIMO CAVES DEL CANTINONE. The fascinating underground tour, full of suggestive sculptors and enigmatic low relief dispersed everywhere in the enormous labyrinth of the underground town, is considered one of the most mysterious places in Italy.
CAMERANO CAVES. Dug in the sandstone and connecting each other, they go through the underground of the old town center in a labyrinth trend, embellished by wonderful decorations and architectural elements.
FANO CAVES. A tour through the archeological area, under the ex-scholastic building of Ariani square, “Domus” of XX Settembre square, mosaics under the Fortuna theatre and the Palazzo Fabbri cellar.
Natural Caves
Discovering the natural caves of the Marche region
GENGA – GROTTE DI FRASASSI. 
It is an “Underground complex” of about 30 km divided into 8 different geological levels, one of the most fascinating underground tours of the world. These old typical caves are karstic and located on the inside of the Natural Park of the Marche of the Gola della Rossa and Frasassi.