In the morning, we drive 100km to Tay Ninh to visit Tay Ninh Great Temple, the headquarter of the indigenous religion Cao Dai. At noon, when the mass is in session, you'll have a chance of discovering this beautiful architecture and the eclectic mixture of Cao Dai philosophy. After lunch, we drive 50 km to Cu Chi once famous for the magic tunnel system which at the height stretched  over 250 km. In Cu Chi, you'll have a great chance of checking out the tunnels and finding out how life of the local people was during the Second Indochina War. We drive back to Ho Chi Minh City finishing the tour.