In Celtic mythology, the world of spirits is never far away. In this episode of GL Deep Dives, we explore a mythological tradition where the boundary between worlds is thin, shifting, and dangerous. The Celtic Otherworld is not a place of the dead alone—it is a realm of gods, ancestors, fae beings, and timeless power, accessible through forests, mounds, mist, and sacred moments in the year. We examine the divine structure, the role of druids, heroes who cross between realms, seasonal gateways...