Con Dao
In 2011, the island was officially recognized by the Lonely Planet as one of 10 most charming and pristine islands on the planet.Used to be the cruelest prison of the French colony, Con Dao is a key witness of Vietnam's magnanimous history. The historic remnants of the tragic war are still retained by the chain system of prison, cemetery and monument. If you are a history bug, these remaining relics will give you several meaningful emotions.