If your trip to Suryuk is all booked but your travel itinerary is a little on the empty side, let us give you a few hints and tips.Stop by Hallyeo-haesang National Park. It's one sight you'll find on many visitors' must-do lists. If you still have room on your travel schedule, Tongyeong Jungang Market and Skyline Luge Tongyeong will keep you busy too.