Lerna Heracles killed it, as the second of his labors. The strong Karstic springs remained; the lake, diminished to a silt lagoon by the 19th century, has vanished. Lerna is notable for several archaeological sites, including an Early Bronze Age structure known as House of the Tiles, dating to the Early Helladic period II (2500–2300 BC). The secret of the Lernaean spring was the gift of Poseidon when he lay with the "blameless" daughter of Danaus, Amymone. The geographer Strabo attests that the Lernaean waters were considered healing: Lake Lerna, the scene of the story of the Hydra, lies in Argeia
Apaturia (Greek mythology) Apaturia (Greek mythology) Apaturia () was an epithet given to more than one goddess in Greek mythology. The name meant "the deceitful". The name Apaturia was given to the goddess Athena by Aethra, the mother of Theseus, who received a dream from Athena urging her to travel to the island of Sphairia to pour a libation for a charioteer of Pelops. After Aethra awoke she traveled to the island and was there raped by the god Poseidon. Aethra later established there a temple to this aspect of the goddess, and started a custom where brides would offer up their maidenhood