Photo: Trainholic, CC BY-SA 4.0 via Wikimedia Commons
The "folklore" is a bit misleading, this is actually an authentic traditional Jeju village in which (some) people actually live. While there is a bit of signage in English, to really appreciate and understand this place requires a tour guide or book.
Seongeup Folk Village (Korean: 성읍민속마을) is a traditional Korean folk village in Pyoseon-myeon, Seogwipo, Jeju Province, South Korea. It has been continually inhabited for around 600 years, since the 15th century, and is maintained to resemble its traditional pre-modern form.
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미천굴
Fresh air, crystal clear water, green fields, and a secondary volcanic cone (oreum) create an awe-inspiring sight.
제주 유채꽃 축제
When spring comes, yellow rape flowers bloom all over Jeju Island. The rape flower festival, designed to praise the beauty of rape flowers, combines the three colors of Jeju's blue sea, stone walls next to the road, and yellow rape flowers to deliver love to lovers and dreams to families.
제주 민속촌
Not to be confused with the above, this is a created museum that presents a vivid and lively exhibition of the island's cultural assets. Built on an area of over 150,000 m², the village has reconstructed and moved living structures from varies styles. Get the audioguide: a steal at only ₩2,000. Pace yourself, seeing everything can take up to 4 hours.
섭지코지
Koji means a cape in Jeju dialect. It consists of the bow shaped Gojaut Koji near the sea and Jeongji Koji near the beach. It was a filming place of the Korean drama "All In" So a lot of Korean sightseers visit. Walking along the sea, you may feel like you are in the ocean.
성산일출축제
The festival is held at Seongsan Ilchulbong Peak at New Year's Day. To see new year's first sunrise on the mountain peak requires reservation on the festival website.