Changdok Palace Tel. 762-9513     Known for its Secret Garden, Biwon.English tours available at 11:30, 13:30, and 15:30. Open 9:15 ~ 17:15 - Closed Tuesdays.   Changgyeong Palace Tel. 765-0195     The "Palace of Glorious Blessings" was originally a Goryeo summer palace. The first Yi King lived here. Open 9:00 ~ 19:00 (May to August), 9:00 ~ 16:30 (November to February), 9:00 ~ 18:00 (March, April, September and October) - Closed Tuesdays   Jongmyo Shrine Tel. 765-0195     The shrine that houses the ancestral tablets of the kings and queens of the Yi Dynasty. Named on UNESCO's World Heritage List in 1995. Open 6:00 ~ 19:00 (May to August), 6:00 ~ 16:30 (November to February) and 6:00 ~ 18:00 (March, April, September and October) - Closed Tuesdays   Gyeongbok Palace Tel. 732-1931     The greatest palace in Seoul, the "Palace of Shining Happiness" was built in 1394 as the residence of the first Yi King Yi Teajo. Hub of royal power and the royal residence for around 200 years. Open 9:00 ~ 18:00 (May to August) and 9:00 ~ 17:00 (November to February) - Closed Tuesdays         Deoksu Palace Tel. 752-0735     The "Palace of Virtuous Longevity" is dotted with the main gate Daehanmun , the throne room Junghwajon, and the first Renaissance-style building in Korea, which now houses the Royal Museum, Sokchojon. Open 9:00 ~ 19:00 (May to August) and 9:00 ~ 16:30 (November to February) - Closed Mondays