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Volcano
A volcanic cone emerges from the clouds on a flight over the islands of Indonesia. The Java trench is one of the most tectonically and volcanically active regions of the earth.
Lystrosaurus
This incomplete but articulated skeleton is a specimen of Lystrosaurus, an extinct terrestrial vertebrate (synapsid) the remains of which are found in several distant locations in the southern hemisphere, including Antarctica. The widespread distribution of Lystrosaurus was used by early proponents of the continental drift theory to suggest the existence of a once unified supercontinent, Pangea. Hence, its iconic status in geology and paleontology. Specimen on display at the Chicago Field Museum of Natural History.