Kaesong is a small city and former capital of Koryo Dynasty (918 A.D. - 1392 A.D.).
Kaesong is connected to Pyongyang by highway, about two hours away.
Ancient temples and Koryo rulers' tombs.
Souvenirs such as ginseng, DPRK stamps, books written by Kim Il Sung and Kim Jung Il, and Korean handicrafts are available, and not expensive. Such stores accept US dollar, Euro and Chinese Yuan.
The majority of visitors are placed in the Kaesong Folk Hotel, which comprises traditional Korean houses and courtyards converted into a hotel. It has a small souvenirshop and restaurant. If you're not part of a tour group you might have the hotel all to yourself. It is located just a few blocks away from the Nam Gate.