There is no "spring" of immortality. It was often said, though, that one could become immortal by partaking int he food and drink of the gods: Nectar and Ambrosia.
Ambrosia. According to Greek & Roman mythology, it is the food of the gods, thought to confer immortality.
In Greek Mythology, Artemis Roman Mythology, Diana
Greek Mythology - Hades Roman Mythology - Pluto
In Greek mythology it is Poseidon and in roman mythology it is Neptune
Hera was from Greek mythology. Her Roman counterpart is Juno. But she's both
M. A. Dwight has written: 'Grecian and Roman mythology for schools' -- subject(s): Classical Mythology 'Grecian and Roman mythology' -- subject(s): Greek Mythology, Roman Mythology 'Grecian and Roman mythology' -- subject(s): Classical Mythology, Greek Mythology, Roman Mythology
Hercules
Many Roman gods were direct copies of Greek gods simply renamed; as in Zeus becoming Jupiter, Hades becoming Pluto, etc.
Greco-Roman mythology.
most giant and monsters in Greek and roman mythology are just things the gods created and then discarded.
Greek mythology is about the ancient Greek gods. Rome was not an ancient Greek god.
Roman mythology is based on/borrowed from Greek mythology, using diffrent names.