Transfer from your hotel to Tan Cang Jetty & depart for Cu Chi Tunnels by join-in speedboat. Enjoy the excursion along Saigon River with the outskirt pictures scenery. Cu Chi was an important base during the American War, because of its strategic location. The Vietcong built a 200km long network of tunnels connecting command posts, hospitals, shelter and weapon factories. Dug out of hard laterite by hand tools without the use of cement, the tunnel system stretched from Saigon to the Cambodian border and was three levels deep. Today, the remaining tunnels have become a major tourist attraction, giving visitors a unique experience and a feeling of what underground life in the war must have been like.

Formerly the Museum of Chinese and American War Crimes, the War Remnants Museum is consistently popular with Western tourists. Few museums anywhere convey the brutal effects of war on its civilian victims so powerfully. Many of the atrocities documented here were well publicised, but rarely do Westerners hear the victims of US military action tell their own stories. While some displays are one-sided, many of the most disturbing photographs illustrating US atrocities are from US sources, including those of the infamous My Lai Massacre.

Built between 1877 and 1883, Notre Dame Cathedral enlivens the heart of Ho Chi Minh City's government quarter, facing Ð Dong Khoi. A brick, neo-Romanesque church with 40m-high square towers tipped with iron spires, the Catholic cathedral is named after the Virgin Mary. Interior walls are inlaid with devotional tablets and some stained glass survives.

Right across the way from Notre Dame Cathedral, Ho Chi Minh City's striking French post office is a period classic, designed by Marie-Alfred Foulhoux (though often credited to Gustave Eiffel) and built between 1886 and 1891. Painted on the walls of its grand concourse are fascinating historic maps of South Vietnam, Saigon and Cholon, while a mosaic of Ho Chi Minh takes pride of place at the end of its barrel-vaulted hall. Note the magnificent tiled floor of the interior and the copious green-painted wrought iron.