Tay Ninh is home to the intriguing Cao Dai sect, a uniquely Vietnamese religious movement that incorporates elements of Buddhism, Taoism, Confucianism, and even Catholicism from decades of external influence. To get there, your private driver and English-speaking guide will head 60 miles into the countryside northwest of Ho Chi Minh City to Tay Ninh, home of the Great Temple, or Holy See. Cao Dai Temple (as it is more commonly known) was built in a unique architectural style that reflects its blended traditions. Stop for a relaxing lunch at a local Vietnamese restaurant before continuing to the Cu Chi Tunnels to explore an incredible feat of perseverance and war time engineering born of necessity, and gain important insight into the prolonged struggle against invading armies. The residents of Cu Chi took the war underground into a highly developed network of tunnels that at its height stretched as far as Cambodia and included meeting rooms, kitchens and triage areas. Imperceptible from the ground, opposing armies could roll their tanks over the bunkers without causing damage to the tunnels below. Living conditions were harsh – in addition to fighting the war, residents battled food and oxygen scarcity, venomous insects, and cramped living quarters.