Start your day with a visit to the famous Cu Chi Tunnels, where you will learn about the Vietnam War and how the Viet Cong soldiers lived in the tunnels. In the afternoon, visit the War Remnants Museum to see the impact of the war on the country. In the evening, take a street food tour to taste some traditional Vietnamese dishes.
Spend your morning exploring the ancient town of Hoi An, a UNESCO World Heritage Site. Visit the Japanese Covered Bridge, Hoi An Museum, and the Quan Cong Temple. In the afternoon, take a cooking class to learn how to make traditional Vietnamese dishes. In the evening, take a stroll down the lantern-lit streets of the town.
Visit the Imperial City of Hue, the former capital of Vietnam during the Nguyen Dynasty. Walk through the citadel and visit the Forbidden Purple City. In the afternoon, take a boat tour on the Perfume River to visit the Thien Mu Pagoda and the Tomb of Tu Duc. In the evening, try some local street food at the Dong Ba Market.
Start the day by visiting the Ho Chi Minh Mausoleum and learn about the life of the former Vietnamese leader. Then, visit the Temple of Literature, the first university in Vietnam. In the afternoon, take a cyclo tour of the Old Quarter, and visit the Dong Xuan Market. In the evening, attend a water puppet show, a traditional Vietnamese art form.
Take a cruise on Halong Bay, a UNESCO World Heritage Site, and one of the most beautiful natural wonders of the world. Visit the limestone caves, go kayaking, and enjoy the scenic views of the bay. Spend the night on the boat and watch the sunset over the bay.
Take a trek through the terraced rice fields of Sapa. Visit the local villages and learn about the cultures and traditions of the ethnic minorities. In the afternoon, relax at a hot spring and take in the beautiful mountain views. Spend the night in a homestay and enjoy a traditional dinner.
Visit the Ben Thanh Market, one of the oldest and busiest markets in Ho Chi Minh City. Buy some souvenirs and try some local street food. Then, visit the Notre Dame Cathedral and the Central Post Office, two of the city's most iconic landmarks. End your day with a cocktail at the rooftop bar of the Rex Hotel.
If you have more time, consider visiting the Mekong Delta, Phu Quoc Island, or the DMZ. To maximize your fun, try some adventure activities such as motorbike tours, rock climbing, or canyoning. Don't forget to try some Vietnamese coffee and beer, they are some of the best in the world. Safe travels!