Gruta de las Maravillas

Interio of the grotto.

The Gruta de las Maravillas (English: "Grotto of the Marvels") is a grotto in Aracena, Andalusia, Spain.

Opened to the public in 1913, it includes a total of 2130 meters of subterraneans.

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Coordinates: 37°53′28″N 6°33′53″W / 37.89111°N 6.56472°W