- Sosu Seowon
- Location: Naejuk-ri Sunheung-myeon Yeongju
- Sosu Seowon, established by Governor Ju, Se Bung of Punggi in the 38th year of the reign of Joseon King Jungjong (1543 B.C.E), is the first Seowon built in Korea and the first Seowon accepted by the King. It was erected to redevelop education and philosophies. Sosu Seowon fostered many recognized scholars and nobles. Currently, it is preserved as Historical Item No. 55 and cherishes invaluable cultural heritages, including the portrait of Hoiheon (Sir Anhang) – National Treasure No. 111 – and five treasures. An average of 800,000 tourists visits here every year.