세실마루
Viewpoint · Jung-gu
A free viewing and rest deck on the roof of the former Cecil Theater, now Jeongdong Theater Cecil. It faces the Romanesque roof of Seoul Anglican Cathedral at eye level, making it a favorite photo spot, and pairs well with a walk along Deoksugung and Jeongdong-gil. Just climb the stairs; open to all at no charge.
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Source: Jeongdong Theater Secil · needs checking
Seoul Hall of Urbanism & Architecture
FreeMuseum · City Hall Stn. (Lines 1, 2)
Officially opened on 28 March 2019.
Chosun Ilbo Art Museum
FreeArt gallery · City Hall Stn. (Lines 1, 2)
Opened in April 1988, the Chosun Ilbo Art Museum stages dozens of in-house exhibitions, invitational shows and rented exhibitions each year, giving artists a place to present their work and the public a place to see it.

Seoul Metropolitan Library
FreeLibrary · City Hall Stn. (Lines 1, 2)
A landmark right in front of Seoul Plaza. Known for its stepped bookshelves and glass-walled plaza views, with a rooftop and cafe for a break.
Seoul Citizens Hall
FreeCulture space · City Hall Stn. (Lines 1, 2), direct access from Exits 4, 5
A public space in the basement of City Hall. Fully heated and air-conditioned, so it's a good escape from heat or cold, with a cafe, gallery and frequent free performances. Directly connected to City Hall Station.
Seoul City Hall Sky Observatory
FreeViewpoint · City Hall Stn. (Lines 1, 2)
A viewing space newly opened in 2026 in the new City Hall building. Downtown views stretching to Deoksugung Palace, Jeongdong and Gwanghwamun Square.
Gungisi Armory Site Exhibition Hall
FreeMuseum · City Hall Stn. (Lines 1, 2)
Displays 45 structural remains of the Joseon-era Gungisi military armory and modern buildings unearthed during construction of Seoul City Hall, along with some 143 related artifacts including the Joseon cannon Bullanggi Japo (Treasure No. 861-2).
Gaehwasan Observatory
FreeGangseo-gu · Gaehwasan Stn. (Line 5)
A designated Seoul viewpoint at the 131m summit, looking out over Banghwa Bridge, the Han River, Haengju Fortress, World Cup Park and Bukhansan.
Jeongdong Observatory
FreeJung-gu · City Hall Stn. (Lines 1, 2)
A free observatory on the 13th floor of the Seosomun Government Building. Sweeping views of Deoksugung Palace, Jeongdong-gil and the City Hall area, with Cafe Darak for a rest.
Ttukseom Jabeolle (Observatory Culture Complex)
FreeGwangjin-gu · Ttukseom Resort Stn. (Line 7)
A free viewing lounge overlooking the Han River from a 240m cylindrical glass building. River and bridge night views through full-height glass.
Bugak Skyway Palgakjeong Pavilion
FreeJongno-gu · Gyeongbokgung Stn. (Line 3) + bus
A classic night-view spot where the octagonal pavilion on the Bugaksan ridge takes in the whole of downtown Seoul.
Maebongsan Palgakjeong Pavilion
FreeSeongdong-gu · Beotigogae Stn. (Line 6)
One of Seoul's designated top viewpoints. Panoramic night views of the Han River with Seongsu and Yeongdong bridges, Lotte Tower and Gangnam.