Visit the War Remnants Museum to learn about the country's history, then head over to the Ben Thanh Market for some shopping and street food.
Take a boat tour to the islands of Hon Tre and Yen Island for swimming, snorkeling, and relaxing on the beach.
Visit the Crazy House, a surreal architecture masterpiece. Afterward, trek to the Datanla Falls for some ziplining and canyoning.
Join a bike tour to explore the Cam Thanh Village with scenic rice paddies, stop by the Hoi An Ancient Town for local food tasting, and soak yourselves into the local culture on An Bang Beach.
Take a morning visit to the imperial Citadel and the Thien Mu Pagoda before heading downstream on Perfume River for the Tomb of Tu Duc.
Start by taking a walking tour exploring the Old Quarter, followed by a short trip up to the Ho Chi Minh Mausoleum and its surroundings, and later unwind the day by enjoying a traditional Water Puppet Show.
Take an overnight cruise and marvel at the beautiful scenery of Ha Long Bay, visit the Thien Cung Cave and try squid fishing at night.
If you have additional time, consider a day trip to the Mekong Delta in Ho Chi Minh City, or climb the Son Doong Cave in the Phong Nha-Ke Bang National Park from Hue. If you have less time, you may consider excluding Da Lat from the itinerary.