War education in HCMC is intense. Going through the cu chi tunnels, you have to admire the Vietcong's tenacity. The tunnels are super narrow- I was super worried for this guy that was slightly on the big size. There were section I felt I would get stuck in. I had claustrophobia after the 180 meter crawl.  A worthwhile endeavor, I recommend everyone to go as their top choice. Every hotel has a half day tour for around 20 dollars, with additional money if you want to come back by boat. The bus tour drops you back by the war museum, which I must warn potential visitors. The images are graphic -pieces of bodies blown to bits, bloody shots, deformed bodies and faces, and other acts of cruelty that are stomach turning. There are stillborn fetuses on display. Agent Orange's side effects seems to linger generations after its use. The museum spawned in passionate anger towards the US left no gruesomeness censored. 

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Air pollution from exhaust from motorbikes are uncontrollable. Huge headache from windows being down from airport taxi. 

Night market was so-so. Very small but a variety of selections. 

Vietnamese food is excellent. Ban Chu on the street stalls were soooo delicious, and for less than 2 USd. Cuc Guan Quan, an amazing Vietnamese restaurant hidden in the suburbs of HCMC was spectacular - food and drinks wise. 

The Mekong Delta cruise that was highly recommended by friends turned out somewhat disappointing. Our tour guide seemed new - he really didn't know what he was doing or going. He was also aggressively pushing us to buy everywhere, and "recommending" specialties. While we had some good stops and pictures, most of the trip seemed like an attempt at tourist traps everywhere: every stop had things to sell, "special" "famous" "delicacies" at every stop. Lunch was quite terrible bc they were trying to get everyone to buy the premium dishes. The bus ride to the delta was close to 3 hours as well. Overall, not terribly worthwhile unless you have nothing else to do in HCMC.