Goguryeo Tomb - Known as "The General's Tomb" 5th century - Ji'an, China. This huge Goguryeo tomb is 75m (246 ft) square, but the original occupant is not known for sure, and there aren't any paintings inside. Many scholars think this is the tomb of Jangsu, a 5th century ruler of Goguryeo.
This is a tomb remaining from Goguryeo that has disintegrated throughout time. Although much of it is damaged, you can still see the structural parts of it. The tombs were built well, and are some of the only remaining things of any of the Three Kingdoms.