Standing at 3,794 metres, Mount Erebus is the second highest volcano in Antarctica after Mount Sidley and was discovered by the Polar explorer James Ross in 1841 during his voyage to Antarctica. Many Antarctic cruises don't make it this far south, both those that do tend to stop at Ross Island in the Ross Sea, home to Mount Erebus and three other inactive volcanoes, including Mount Terror.
Aside from this impressive mountain, Ross Island is home to a colony of approximately 500,000 Adelie penguins, which are also found throughout the Antarctic Peninsula.
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Map of Mount Erebus