Today you will travel to Cu Chi tunnel and Cao Dai Temple. You will spend a full day travel outside of Ho Chi Minh city. You first will visit the famous underground tunnel of Cu Chi. it’s consist of 250 kilometers of the tunnels and this tunnel network is not far from Cambodia border. Watch documentary film and listen to your guide introduction about three levels of tunnel; hospitals, booby traps, and storage facilities, hidden smoke kitchen, air holes and many simple weapons. Next you will visit the beautiful Cao Dai Temple in Tay Ninh province. This is a great opportunity to watch the noontime prayer service. The Caodaism was found in 1920 and it combines elements of Buddhism, Confucianism, Hinduism, Christianity and Islam as to bring peace to all people. You then enjoy lunch in town before returning to Saigon in the late afternoon.