东海市泉谷天然洞窟总长1,400m,是一个石灰岩水平洞窟,生长年代推定约为4-5亿年前,是韩国唯一位于市内中心位置的天然洞窟。洞窟内有韩国最长的天井溶触区、窗帘型钟乳石、石灰花坛区、钟乳瀑布等及稀有石,内部由钟乳石、石筍、石柱等20多种2次生成物所组成。为地质地貌的学术研究提供了绝佳的样本,景区设置有展示馆与影像室,以便于游客更深入的了解洞窟形成和构造的知识。这里也是电视剧《灿烂的遗产》拍摄地。
1 江华隐岩自然博物馆 Ganghwa Eunam Natural & Science Museum (701)
2 武陵溪谷 Mureung Valley (697)
3 Gagok Natural Recreation Forest Gagok Natural Recreation Forest (728)
4 Museum of musical Instruments of the World Museum of musical Instruments of the World (762)
5 Forty Steps Cultural Center Forty Steps Cultural Center (742)
6 艺术博物馆 Gaya Misulgwan (741)
7 An Jung-geun Memorial Hall An Jung-geun Memorial Hall (801)
8 Cultural Complex J-Bug Cultural Complex J-Bug (662)
9 Gallery Hyundae Gallery Hyundae (714)
10 Simone Handbag Museum Simone Handbag Museum (733)
11 Hwajeong Museum Hwajeong Museum (691)
12 Bonghwanggak Pavilion Bonghwanggak Pavilion (701)
13 Yeongin Munhakgwan Yeongin Munhakgwan (708)
14 Yakhyeon Catholic Church Yakhyeon Catholic Church (825)
15 Bona Museum/Gallery Bona Museum/Gallery (669)
16 外交博物馆 Museum of Diplomacy (680)
17 Park Eul Bok Embroidery Museum Park Eul Bok Embroidery Museum (719)
18 Jeoldusan Martyrs' Shrine Jeoldusan Martyrs' Shrine (672)
19 Seonyugyo Bridge Seonyugyo Bridge (653)
20 Seoulseoyebangmulgwan Seoulseoyebangmulgwan (646)
21 Bukchon Museum Old Fragrance Bukchon Museum Old Fragrance (656)
22 Former Russian Legation Former Russian Legation (716)
23 Senggak Hahnen Museum Senggak Hahnen Museum (680)
24 Bonsai Museum Bonsai Museum (673)
25 邦文沙的寺庙 Bongwonsa Temple (615)