Marvel at the historic Reunification Palace in the morning, take a stroll around the beautiful Saigon Notre-Dame Cathedral and the Central Post Office in the afternoon, and have a delicious dinner at the famous Ben Thanh Market in the evening.
Visit the Ho Chi Minh Mausoleum, explore the Temple of Literature in the morning, take a leisurely walk around the Hoan Kiem Lake in the afternoon, and watch the Water Puppet Show in the evening.
Explore the Imperial City and the Royal Palace in the morning, have a traditional Vietnamese lunch, boat along the Perfume River to Thien Mu Pagoda in the afternoon, and enjoy the night at Hue's Night Market.
Take a morning stroll around the Old Town, visit the Japanese Covered Bridge and the Assembly Hall of the Fujian Chinese Congregation, explore the Hoi An Ancient Town in the afternoon, and have dinner at a riverside restaurant.
Visit the famous Marble Mountains in the morning, relax at My Khe Beach in the afternoon and take an evening walk on the Dragon Bridge.
Take a morning cruise to Mun Island, swim and snorkel in crystal-clear waters, have a seafood lunch on the island, and relax on Nha Trang Beach in the afternoon.
Explore the charming city of Da Lat, visit the Linh Phuoc Pagoda and the Valley of Love in the morning, have a local lunch, visit the Truc Lam Zen Monastery in the afternoon, and dine at one of the city's famous French restaurants.
You might also want to consider a side trip to the Mekong Delta, where you can explore the floating markets and fruit orchards. Alternatively, you could visit the stunning Ha Long Bay, or take a cooking class to learn some Vietnamese cuisine secrets. Don't forget to try street food, especially Banh Mi, Pho, and Bun Cha. To maximize your fun, hire a motorbike, and explore each city like a local. Lastly, be sure to check the weather forecast before you go, as Vietnam can be hot and humid in June.