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
Greek mythology mythology to the indigenous pre-Greek societies: Crete, Mycenae, Pylos, Thebes and Orchomenus. Historians of religion were fascinated by a number of apparently ancient configurations of myth connected with Crete (the god as bull, Zeus and Europa, Pasiphaë who yields to the bull and gives birth to the Minotaur, etc.). Martin P. Nilsson asserts, based on the representations and general function of the gods, that a lot of Minoan gods and religious conceptions were fused in the Mycenaean religion. and concluded that all great classical Greek myths were tied to Mycenaean centres and anchored in prehistoric times. Nevertheless, according to Burkert,