Published July 20, 2012 in Extinct Monsters: Ice Age Giants | Full size is 984 × 768 pixels

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For a time, the Hall of Extinct Monsters had two Mastodon skeletons on display, visible on the far left. Photo courtesy of the Smithsonian Institution Archives.

For a time, the Hall of Extinct Monsters had two Mastodon skeletons on display, visible on the far left. Photo courtesy of the Smithsonian Institution Archives.

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