Hanoi is a city of lakes, shaded boulevards, verdant public parks, and the historic Old Quarter, where you'll find narrow streets lined with geometric tube houses and numerous street food vendors. The must-visits are Ho Chi Minh Mausoleum, Temple of Literature, and Tran Quoc Pagoda.
Halong Bay is a UNESCO World Heritage Site with some 1600 islands and islets forming a spectacular seascape of limestone pillars. Explore the natural grottoes of Thien Cung, Dau Go, and Sung Sot caves. You can also go kayaking or take a cruise around the bay.
Immerse yourself in the city's rich history and culture by visiting the Imperial City, Thien Mu Pagoda, and the tombs of Nguyen Emperors. Don't forget to indulge in some local grub at Dong Ba market and visit the Thanh Toan Bridge.
Known for its ancient town's well-preserved and harmonious blend of Vietnamese, Chinese, and Japanese influence, there are endless sites to take in. These include the Japanese Covered Bridge, Tan Ky Old House, and the Museum of Trade Ceramics, as well as indulging in some delicious local eats.
Ho Chi Minh city has a mixture of grand colonial-era buildings, local markets, and modern skyscrapers. In this busy city stop by the War Remnants Museum and Independence Palace, stroll around Nguyen Hue walking street, and experience the vibrant nightlife.
The Mekong Delta, known as Vietnam's "rice bowl," is abundant with local produce, seafood, and home to floating markets. Explore the life of local people by visiting Cai Rang or Cai Be market, take a boat tour through the canals, and visit some local fruit farms.
If you have more time, you can explore Ninh Binh's countryside near Hanoi or visit Phong Nha Cave in Quang Binh province. If you have less time, you can choose either Halong Bay or Hue and add an extra day to Hoi An or Ho Chi Minh City. Keep in mind, November is the rainy season in Vietnam, so be prepared for sudden downpours.