Bend in Lake Goesan produces a Korean Peninsula-like bulge. Along the lake you’re find the Old Sanmagi Road, a historic walking path. See the April issue of SEOUL magazine for more info.
I’m going to go out on a limb and say that there probably aren’t many major metropolises with this kind of scenery within the city limits. Bukhansan National Park, Seoul.
The pre-dawn moments from the peak of holy Mt. Taebaeksan. Koreans have long regarded the ancient yew trees as sacred, too. The views were much better than last year, when I went up in a snow storm.