Busan Essential One Day Shuttle Bus Tour Samgwangsa Temple + Gukje Market + Busan Tower + Oryukdo Skywalk Busan is Korea’s second largest city. Tourists often come to this region to hike and to visit the Buddhist Temples located deep within the region’s mountains. From casual tent bars and chic designer cafes to fish markets teeming with every species imaginable, Busan has something for all tastes.