Every tradition has a hub page listing its sources, historical period, pantheons and all published entries. Greek mythology is by far the most complete section of the site, followed by Egyptian and Norse; other traditions open up as coverage grows. From a hub you can reach the gods, heroes, creatures, places and objects, the A-to-Z index and, where the pantheon is documented enough, its family tree.
Eastern Mediterranean, the ancient Greek world · 154
A guide to Greek mythology: Titans and Olympians, heroes and monsters, the Trojan and Theban cycles, the Underworld, and the ancient sources from Homer to Ovid.
Northeast Africa — Nile Valley · 42
A complete guide to Egyptian mythology: pantheon overview, cosmogony, Osirian cycle, major myths, ancient sources and religious traditions of ancient Egypt.
Scandinavia, Iceland, Germanic Northern Europe · 33
A complete guide to Norse mythology: the Asgardian pantheon, Odin, Thor, Loki, the Nine Worlds of Yggdrasil, Ragnarök, and the key sources of the Eddas.