N Seoul Tower is a communication and observation tower located in Namsan Mountain, central Seoul, South Korea.
Built in 1969, at a cost of approximately $2.5 million, and opened to the public in 1980, the tower has been a symbol of Seoul and measures 236.7m (777 ft) in height (from the base) and tops out at 479.7m (1,574 ft) above sea level. It has also been known as the Namsan Tower or Seoul Tower.
The 63 Building, officially the 63 City, is a skyscraper on Yeouido island, overlooking the Han River in Seoul, South Korea.
At 249 meters (817 ft) high, it was the tallest building outside North American when completed in 1986, but as of 2010 is no longer in the top 100.
It was South Korea’s tallest building untiol Hyperion Tower surpassed it in 2003 and remained South Korea’s tallest commercial building until the Northeast Asia Trade Tower was topped-out in 2009.