Suwon Hwaseong Fortress

UNESCO walled city, walk the full 5.7 km loop.

Joseon dynasty fortress wall, late 1700s, designated UNESCO World Heritage in 1997. Walk the full 5.7 km loop (~2 hours) through four gates and watchtowers, or ride the dragon-shaped trolley between the major sights. Closer to Seoul than people expect, and dramatically less crowded than the city's palaces.