Seoul Ring

The Millennium Gate (Native name: 천년의 문, Nickname: Seoul Ring) was envisioned in 2000 as the world's first mega-sized ring-shaped architectural structure. It was planned to be erected along the Han River in Sangam-dong, Seoul, in conjunction with the new millennium (Millennium), and the 2002 Korea-Japan FIFA World Cup (2002 FIFA World Cup).

The Seoul World Cup Stadium (Korean: 서울월드컵경기장), also known as Sangam Stadium, is a stadium used mostly for association football matches. The venue is located in 240, World Cup-ro, Mapo-gu, Seoul, South Korea. It was built for the 2002 FIFA World Cup and opened on November 10, 2001. It is currently the second largest stadium in South Korea after Seoul Olympic Stadium, and is the 2nd largest rectangular stadium in Asia. It was designed to represent the image of a traditional Korean kite. The stadium has a capacity of 66,704 seats, including 816 seats for VIP, 754 seats for press and 75 private Sky Box rooms, each with a capacity for 12 to 29 persons. Due to table seats installation, capacity was reduced from 66,806 seats to 66,704 seats in February 2014. Since the World Cup it has been managed by the Seoul Metropolitan Facilities Management Corporation (SMFMC). FC Seoul moved to the Seoul World Cup Stadium in 2004.

Mapo-gu Office Station is a Seoul Metropolitan Subway station near the Mapo district office in Seoul, opened in December 2000.

The World Cup Stadium Station is a metropolitan subway station in Seoul, Korea. The station was built to facilitate access to the Seoul World Cup Stadium for 2002 FIFA World Cup. The station has a very specific design with a main entrance reminiscent of a Greek amphitheater, between Exits 2 and 3.

The Oil Tank Culture Park is a renovated public park located in Mapo, Seoul, South Korea.

ROKS Seoul (FF-952) is the second ship of the Ulsan-class frigate in the Republic of Korea Navy. She is named after the city, Seoul.

The Seongsan Bridge (Korean: 성산대교) is the 12th bridge that crosses the Han River in South Korea and connects the districts of Mapo District and Yeongdeungpo District. The bridge was completed in 1980. It is one of 31 bridges over the Han River and has a length of about 1400 meters. It is popular with photographers because it is aesthetic and slightly thicker than the other bridges.

The World Cup Bridge (Korean: 월드컵대교) is a bridge under construction that is planned to cross the Han River in South Korea and connect Mapo District and Yeongdeungpo District. Construction on the bridge began in March 2010 and was originally slated to be completed by August 2015, but budget cuts have slowed its pace. The bridge is intended to connect the Seobu Expressway to Mapo District. The K-pop group BTS performed the song "Butter" on the bridge for the July 14, 2021 airing of The Tonight Show Starring Jimmy Fallon.

Mapo District (Korean: 마포구, romanized: Mapo-gu) is one of the 25 districts of Seoul, South Korea. Mapo has a population of 381,330 (2015) and has a geographic area of 23.87 km2 (9.22 sq mi), and is divided into 24 dong (administrative neighborhoods). Mapo is located in western Seoul on the northern bank of the Han River, bordering the Gyeonggi Province city of Goyang to the northwest, and the Seoul city districts of Gangseo to the west, Yeongdeungpo to the south, Yongsan to the southeast, Jung to the east, and Seodaemun and Eunpyeong to the north. Mapo is home to several universities and government buildings, and is well known for the Hongdae club district around Hongik University. Mapo is connected to the Seoul Metropolitan Subway's Line 2, Line 5, and Line 6, as well as the Airport Railroad, and the Korail Gyeongui-Jungang Line, which all pass through this district. The Seoul World Cup Stadium, a famous landmark in Seoul, is located in Sangam in northwest Mapo.

The Digital Media City Landmark Building (Korean: 디지털 미디어 시티 랜드마크 빌딩) or DMC Landmark Building, also known as Seoul Lite or Light Tower, was a 133-floor, 640 m (2,100 ft) supertall skyscraper proposed for construction in Digital Media City, Seoul, South Korea. It was slated to become the third-tallest building in the world when completed, after Burj Khalifa and Pingan International Finance Centre. It would have been the tallest building in Korea. Construction broke ground on 16 October 2009, and was scheduled to be completed and ready for occupancy by April 2015. It was to be built with the country's own capital and technology at an estimated cost of 3.3 trillion won (US$2.9 billion).The design and engineering of the DMC Landmark Building was performed by Skidmore, Owings & Merrill. The local architect of record was Samoo. The building was to house an observation deck on 133rd floor at 540 m (1,772 ft), from which visitors will be able to see the entire metropolis of Seoul and as far as Gaeseong, North Korea. It would have been the tallest observation deck in the world, higher than those of Burj Khalifa on the 124th floor at 440 m (1,444 ft) and the 100th floor of the Shanghai World Financial Center at 474 m (1,555 ft). Six through eight-star hotels would have been located on the 108th-130th floors, surpassing the Park Hyatt Hotel (79th-93rd floors) in the Shanghai World Financial Center, as the highest hotel rooms in the world. All functions of a futuristic, 21st century city were to be incorporated into the building, including the most high-tech office and residential spaces, a department store, luxury shopping malls, a large convention center, the world's largest interactive aquarium, international restaurants and facilities for media, culture and exhibitions. The landmark building was backed by the Seoul Metropolitan Government and was being constructed at the fastest speed among major skyscraper projects by Samsung C&T.It was cancelled for budgetary reasons and the collapse of South Korean property market bubble in 2012.

The World Cup Fountain was a fountain built to commemorate the 2002 FIFA World Cup co-hosted by South Korea and Japan. The World Cup Fountain is located in the Han River in Seoul, South Korea, between the World Cup Stadium and Seonyudo Park. The fountain jets water at a height of 202 metres (663 ft), a symbolic gesture to the year the FIFA World Cup was held in Seoul. The fountain is taller than the Gateway Geyser, or the fountain in Fountain Hills, Arizona or the Port Fountain in Karachi, Pakistan. For comparison, the Washington Monument in Washington D.C. is 169 meters tall.The fountain does not flow constantly. It can only be seen for a few hours a day and weather permitting.

Digital Media City Station (디지털미디어시티역) is a railway station on Seoul Subway Line 6, AREX and the Gyeongui-Jungang Line. The former names of this station were Multimedia City Station (멀티미디어시티역) for the AREX station and Susaek (수색) for the Line 6.