Temple of Castor and Pollux Temple of Castor and Pollux The Temple of Castor and Pollux () is an ancient temple in the Roman Forum, Rome, central Italy. It was originally built in gratitude for victory at the Battle of Lake Regillus (495 BC). Castor and Pollux (Greek Polydeuces) were the Dioscuri, the "twins" of Gemini, the twin sons of Zeus (Jupiter) and Leda. Their cult came to Rome from Greece via Magna Graecia and the Greek culture of Southern Italy. The Roman temple is one of a number of known Dioscuri temples remaining from antiquity. The last king of Rome, Lucius Tarquinius Superbus, and
Zeus on Mount Aenos. Although most oracle sites were usually dedicated to Apollo, the heroes, or various goddesses like Themis, a few oracular sites were dedicated to Zeus. In addition, some foreign oracles, such as Baʿal's at Heliopolis, were associated with Zeus in Greek or Jupiter in Latin. The cult of Zeus at Dodona in Epirus, where there is evidence of religious activity from the second millennium BC onward, centered on a sacred oak. When the "Odyssey" was composed (circa 750 BC), divination was done there by barefoot priests called "Selloi", who lay on the ground and observed the rustling of