Volcanic Craters -- Earth and Mars

At 5,895 m, Mount Kilimanjaro is the highest point in Africa. Kilimanjaro is composed of three volcanoes, Kibo, Mawensi, and Shira. The highest peak is capped by a glacier. Ascreus Mons is one of three volcanoes in the Tharsis Bulge, situated between Olympus Mons (west) and Valles Marineris (east). Ascreus is a giant shield volcano that may have been capped by a glacier under earlier Martian climatic conditions.

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