Start your countryside adventure at Mount Seorak, one of South Korea's most picturesque mountains. The UNESCO World Heritage candidate is home to the country's towering peaks and ever-changing seasonal foliage. Afterward, journey to Nami Island, a half-moon-shaped isle renowned for its tree-lined avenues and landscapes that have graced the screens of popular Korean dramas. Then, take a unique journey along a rail track that runs across a river and through a tunnel of zelkova trees in Gapyeong.