Get the most from a spare day in Ho Chi Minh City by combining two local must-sees into one trip, without spending hours organizing your own transport. With this small-group tour, visit the Viet Cong’s Cu Chi Tunnels to learn how they were used in the Vietnam War. Then, explore the Mekong Delta’s farms, islands, and villages; with boat rides, orchard and coconut workshop visits, and more, before your return.