Don't just wander around the surface of the earth — take a peek at what's below it too. See bizarre natural formations and shapes in the deep, dark recesses of Phong Nha Caves & Boat Trip.
This natural underground attraction is in Bo Trach. When you're ready to discover something new, Phong Nha-Ke Bang National Park isn't far from Phong Nha Caves & Boat Trip.