Ile des Deux Chaines

Places in this region

Hang Sung Sot

Ha Long Bay's "Cave of Surprises" houses a popular phallic rock formation

Hang Sung Sot, or the "Cave of Surprises" in Ha Long Bay, Vietnam, was discovered in 1901 by the French. The cave is located on Bo Hon island. One of the most popular in the bay with tourists,... »

Geological Oddities | Edited by Bswanson, Nicholas Jackson and others