If you're planning a journey to Seoul in the future and want to know what you absolutely must see, do, eat, explore, and discover, then this list of the 50 best things to do in Seoul is perfect for you. Want to know where to get the best Korean street food? Eager to visit the coolest cafes or markets in Seoul? Longing to check out all the best sights or explore Seoul's hidden gems? You'll find them all right here, no matter what season you travel in.