Halong Bay is one of Vietnam’s most photographed sights and this overnight tour from Hanoi offers a rare chance to experience it from both air and water. 2 Days Seaplane and Luxury Cruise Halong Bay Tour is one of high-end tours. Bird view over Halong Bay and overnight on Luxury Cruise is highlights of this amazing trip. Viewing Halong Bay from a seaplane is a great way to get a panoramic view of the mystical seascape, one of natural world heritage site recognized by UNESCO.