Tay Ninh and Cu Chi are major destinations near Ho Chi Minh City. Both are made famous worldwide by the Vietnam-American war and each has its own appeal. Tay Ninh is the cradle of Cao Dai religion in Vietnam, home to the tasty Trang Bang Noodle Soup and the legendary Ba Den Mountain. Cu Chi is best known for its amazing underground world, an intricate system of tunnels once serving as concrete bases of Vietnamese guerillas during the war.