North Culture Vicinity
If you head north out of Gyeongju, you will find the holy sites of Confucianism, Buddhism, and Cheondoism one after the other.
Mt. Sogeumgangsan became sacred soil for Buddhists after the martyrdom of Lee Cha-don.
Yongdamjeong Well is where Choi Je-u founded Donghak (Eastern Learning, a discipline unique to Korea) and preached his philosophy of the equality of all men.
Also, you can find the folk village of Yangdong, which retains many aspects of Joseon-Era Korea, including many original buildings.