전쟁기념관
Museum · Yongsan-gu
The free outdoor display of tanks, fighter jets and warships is a huge hit with children. The indoor permanent galleries are free too.
Open in a map app
Source: warmemo.or.kr

War Memorial of Korea Library
FreeLibrary · Samgakji Stn. (Lines 4, 6)
A reading room on the second floor of the War Memorial of Korea, known for window seats looking out to Namsan, with a specialist archive on the Korean War.
Democracy Movement Memorial Hall
FreeMuseum · Namyeong Stn. (Line 1)
The new Democracy Movement Memorial Hall (37 Hangang-daero 71-gil, Yongsan-gu, Seoul) occupies a former state torture facility.
Noksapyeong Station Underground Art Garden
FreeCulture space · Noksapyeong Stn. (Line 6)
An entire subway station turned into a garden and art space. A glass dome in the ceiling drops daylight all the way down to the fourth basement level.
Seoul Metropolitan Youth Center
FreeStudy & youth space · Namyeong Stn. (Line 1)
A lounge, study and community space free for all young people, part of the Seoul Youth Center Orang network.
Yongsan Culture and Sports Center
₩3,000Sports facility · Hyochang Park Stn. (Line 6, Gyeongui-Jungang Line)
Public indoor pool in Yongsan-gu with a 4-lane, 25m adult pool and a toddler pool. Open swim 3,000 won per session. Session times change monthly, so check before you go.
Galwol Community Welfare Center
₩5,000Sports facility · Sookmyung Women's Univ. Stn. (Line 4)
Public indoor pool in Yongsan-gu with a 5-lane, 25m adult pool. Open swim 5,000 won per session. Session times change monthly, so check before you go.
National Museum of Korea
Partly freeYongsan-gu · Ichon Stn. (Line 4, Gyeongui-Jungang Line)
Korea's largest museum, with all permanent galleries free. The spacious lobby and Reflecting Pond garden are good for a rest, and Wednesday and Saturday evening openings are quieter.
National Folk Museum of Korea
FreeJongno-gu · Gyeongbokgung Stn. / Anguk Stn. (Line 3)
A free museum of Korean daily life. The outdoor Memory Street and children's museum make it great for families.
Seoul Museum of History
FreeJongno-gu · Gwanghwamun Stn. / Seodaemun Stn. (Line 5)
A free museum on Seoul's transformation from the Joseon era to the present. The old Tram No. 381 outside is a photo favourite.
National Museum of Korean Contemporary History
FreeJongno-gu · Gwanghwamun Stn. (Line 5) Exit 2
A free modern history museum facing Gwanghwamun Square. Insider tip: the rooftop viewpoint takes in Gyeongbokgung and the square at a glance.
Postage Stamp Museum
FreeJung-gu · Euljiro 1-ga Stn. (Line 2) Exit 6, Myeongdong Stn. (Line 4) Exit 5
A compact free museum on the history of stamps. In the middle of Myeong-dong, so it's a handy escape from the heat or cold.