Januária, Italy
Gruta do Janelão (MG-199) is a limestone cave located inside the Cavernas do Peruaçu National Park, in the municipality of Januária, Minas Gerais, Brazil. This cave is the largest in the valley, totaling 4,740 m of horizontal extension and elevation of 176m. Because it has several skylights letting
the sun in, small forests that resemble Japanese gardens by the delicacy and harmony are formed everywhere, all by the banks of the Peruaçu River which runs through the Janelão grotto. It has the largest stalactite already registered measuring 28 meters long.
Listen to the audio guide for Gruta do Janelão Free on WIP — starts by itself when you arrive, even with the screen off