Phu Quoc is the largest island of Vietnam, located in Thailand Bay. Phu Quoc has Phu Quoc national park with many wonderful scene and lovely animals/plants, and also has its own unique specie: Phu Quoc dog, one of the oldest dog breed in the world, loves to climb up trees and catch fishes properly. Moreover, coming to Phu Quoc, visitors have their chance to witness one of the most terrible prisons in the history: Phu Quoc’s Prison, also called Coconut Tree Prison. This place nowadays still keeps many torturing tools that used to torture Viet Minh in the past. Phu Quoc prison brings the picture of a hell in Earth, where people were treated like objects! It’s horrible, but it is worthy to witness once in lifetime.