Gyeongju is a small city north of Ulsan and Busan in the southeastern corner of South Korea. The city is actually referred to as the museum without walls. This is because the city has numerous historical sites. Gyeongju is home to Bulguksa Temple, famous throughout Korea as the site that was once depicted on its paper money (the old 5,000 won note). Bulguksa, which is perched atop a mountain, is a classic example of Korean Buddhist architecture. The best time to visit Bulguksa Temple is early morning. Its structure is very impressive and this is actually considered a masterpiece of the Buddhist art. It was in the 8th century when the temple was built at the time of the Silla Kingdom. Gyeongju is best seen in springtime, when the miles of cherry trees lining the main streets burst into life.
The best time to visit Korea is in the fall (September-November). At this time, the weather was warm, sunny, clear Blue Skies and beautiful views of the leaves. Winter is cold and dry, and a good time to visit if you are interested in winter sports because in sanaterdapat many ski resorts. Spring (April-May) is also beautiful with the cherry blossom. However, when it is very busy and you have to BOOK early to ensure accommodation is available. Humid summer months and heat, as well as a little crowded. Also when the rainy season starts, there are so many activities that are affected by the high and low rainfall.
Those are a few information about best tourist attractions in South Korea hopefully it can help you to plan your vacation.