It Fell From the Sky

Craters Tunguska Meteors Meteorites Aliens Cosmic Event Space Comet
Boyer / Roger Viollet / Getty

Otherworldly Object
It is believed that the Willamette meteorite crashed to the Earth somewhere in Canada, but that it was shifted by a glacier south to Oregon, where it was discovered in 1902. It is the largest meteorite found in the United States, and the sixth largest in the world.

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