I keep circling back to 'Elder Scrolls Online'. The sheer volume of zones, each with its own distinct biomes and layers of verticality, is unmatched for me. You can get lost for days in the dense, alien jungles of Blackwood or scale the frozen peaks of Western Skyrim, and it all feels contiguous, not just a series of disconnected maps.
Where it really wins on exploration, though, is the environmental storytelling. It’s not just pretty vistas; every ruin, every abandoned campfire, every strange rock formation hints at a deeper history. You’re rewarded for poking into corners with books, hidden quests, and even entire public dungeons off the beaten path. Other MMOs might have flashier movement or mounts, but ESO’s world feels lived-in and worth understanding, not just sprinting through.