La Vanille Nature Park houses the Fossil Museum: "100 Million Years Under the Sea". This exhibition of international standard holds hundreds of fossils from Madagascar as well as a mural of what living ammonites would have looked like in their natural environment at the time of the dinosaur.

Ammonites are the most well-known and most popular of fossils. In addition, the museum includes a section on marine mammals of Mauritius - including an impressive display in whale skeletons.