A "supermoon" rises next to the ancient Greek temple of Poseidon south of Athens, Greece, on Saturday, June 22, 2013. The phenomenon occurs once a year, when the moon's orbit, at its fullest cycle, is at its closest point to Earth.
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The supermoon begins behind the Thomas Jefferson Memorial in Washington D.C. early Saturday evening.
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The supermoon rises over street lamps in Baltimore Saturday.
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The supermoon rises over Rome Sunday, June 23, 2013.
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A detailed image of the supermoon over Tel Aviv, Israel.
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A statue atop the California state capitol building rears toward the supermoon in Sacramento.