Hanoi (2 nights)
Hoan Kiem Lake, Old Quarter, Ho Chi Minh Mausoleum, Temple of Literature, Water Puppet Show.
Ha Long Bay (2 nights)
Overnight cruise. Kayaking through caves, Sung Sot Cave, Titop Island swimming.
Hoi An (2 nights)
Ancient Town (UNESCO), lantern workshop, My Son Sanctuary, cooking class.
Ho Chi Minh City (1 night)
Cu Chi Tunnels, War Remnants Museum, Ben Thanh Market, Reunification Palace.