I think that this was a short story. I remember reading it as a kid in the 1970s. It was a modern tale with an explorer or sailor of some sort who found himself in a cave near the sea and discovered a bunch of life-like stone sculptures of humans. I think the implication is that he was in Medusa's cave, but I don't recall how the story turned out or if he escaped. Any ideas? Chances are that it was part of a book collection. Thanks!