The Epic of Gilgamesh (Mesopotamia) – author unknown
Iliad (Greece) – ascribed to Homer
Odyssey (Greece) – ascribed to Homer
Aeneid (Rome) – Virgil
Metamorphoses (Rome) – Ovid
Beowulf (Britain) – author unknown
Both Paradise Lost and Paradise Regained (Britain) – John Milton
Of course there are loads of more amazing epic poems and stories to read, but these are for me some that are must reads. Enjoy.