Traveling this highway that stretches across the costal country of Vietnam allows access to the best scenery and cities that the country has to offer. On the northern side is Ha Long Bay, the location of the world famous limestone islands. Boat tours are offered of the caves, which have magnificent limestone crags and pillars. The centuries-old trading port of Hoi An is also along this road. Japanese and Chinese trade influenced this Vietnam port for centuries. Exploring this city will give you the true ambiance of Asian influence with narrow alleys lined with paper lanterns.