Explore a maze of hidden tunnels, learn why they were used by the Viet Cong during the war, and see what life was like for these subterranean soldiers on this private underground excursion. Afterward, cruise around Ho Chi Minh City's most famous colonial-era landmarks and enjoy a tasty lunch.

Start your day with convenient pickup from your Ho Chi Minh City hotel and enjoy the quick ride out of town to the Cu Chi tunnels, famous for hiding Viet Cong soldiers throughout the Vietnam War. Follow your guide to one of the tunnels camouflaged entrances and then wiggle inside for a tight scuffle down their zigzagging path. Explore larger rooms where soldiers gathered to eat, try the foods they would have eaten, and find out how guerilla fighters managed to evade opposing forces.

Once you're above ground again, return to Ho Chi Minh City to dive into colonial-era architecture on visits to the Notre Dame Cathedral and Saigon Central Post Office. Learn about the legacies of the French during the 19th century and continue your investigation of war tragedies with a stop at the War Remnants Museum.

Pop into the '70s-style interiors of the Reunification Palace, browse for goods at Ben Thanh market, and savor a scrumptious lunch of Vietnamese specialties at a locally loved restaurant. Before you head back to your hotel, get tips on other places to check out from your private guide and then wind your day to a close in the evening.