Central Post Office (French-style building, built in 1891) → Notre-Dame Cathedral Basilica of Saigon (Red Cathedral) → Reunification Palace → Saigon Opera House → Book Street. In the evening, head to Pham Ngu Lao Street for backpacker nightlife.
Half-day tour of Cu Chi Tunnels (about 70 km from the city center, explore underground tunnels used during the Vietnam War) → War Remnants Museum → Evening at Bitexco Financial Tower Observation Deck with views over the Saigon River.
My Tho + Ben Tre Day Trip: cruise through water coconut groves → visit a coconut candy workshop → take a rowing boat → lunch featuring “elephant ear fish” → stop by Vinh Trang Temple on the way back.
Chinatown (Cho Lon) and Thien Hau Temple → The Cafe Apartment → Ben Thanh Market for souvenirs → departure from the airport.