10 of the best: nature photographs.

It is not known when the last eruption of Ararat occurred; there are no historic or recent observations of large-scale activity recorded. It seems that Ararat was active in the 3rd millennium BC; under the pyroclastic flows, artifacts from the early Bronze Age and remains of human bodies have been found.

Waitomo glow caves in New Zealand, named for the glowworms that inhabit them, Arachnocampa luminosa.
The glowworms are endemic to New Zealand, and are around the size of an average mosquito. The walls of
the caves are covered with a mushroom like fungi related to the genus Pleurotus. Albino cave ants and weta
(giant crickets) also inhabit this cave system