Visit Gyeongbokgung Palace, watch the changing of the guards, and explore Bukchon Hanok Village for a glimpse of traditional Korean architecture.
Visit Haeundae Beach, one of Busan's most popular beaches, and explore the Jagalchi Fish Market, the largest seafood market in the country.
Explore the Jeju Folk Village Museum for a taste of local culture, and visit the scenic Cheonjiyeon Waterfall and the volcanic Seongsan Ilchulbong Peak.
Visit the UNESCO World Heritage-listed Bulguk Temple and the Anapji Pond, a beautiful artificial pond surrounded by gardens and pavilions.
Visit the Hahoe Folk Village, a UNESCO-listed traditional village, and the nearby Dosan Seowon Confucian Academy, a 500-year-old institution of learning.
Visit the Jungdongjin Beach, famous for its sunrise views, and explore the Seongyojang House, a traditional Korean house with a beautiful garden.
Visit the Namsan Tower for stunning views of the city, and explore the trendy Myeong-dong shopping district for souvenirs and local street food.
Consider taking a food tour in each city to try the local cuisine. Take advantage of free admission days at museums and attractions to save money. Use public transportation to save on travel costs. Don't forget to try Korean soju, a popular alcoholic beverage.