If your trip to Sepo-ri is all locked in but your itinerary is a little on the empty side, we can give you a helping hand.Stop by Hallyeo-haesang National Park. It's one attraction you'll usually find on most travelers' to-do lists. If you still have room on your schedule, Tongyeong Jungang Market and Skyline Luge Tongyeong will keep you occupied too.