UN Peace Memorial Hall is just one of the attractions in Nam-gu, Busan so you might want to stop by during your trip. Why not take a stroll along the beaches and watch the sunset while you're here? It's also full of great shops and seafood restaurants, so you can spend the afternoon having a wander. If you want to experience more of the culture Busan has to offer, head to Gwangalli Beach, Oryukdo Skywalk, and Gwangan Grand Bridge.