Where Is the Biggest Piece of Ice on Earth?

Antarctica is the continent that surrounds the South Pole. This cold, barren land covers about five million square miles — that's about 11/2 times as big as the United States.

Yet except for only a few hundred square miles along the coast, the entire continent is continually covered with ice.

No, we can't really call a continent a piece of ice. But the Ross Ice Shelf, a floating sheet of ice attached to Antarctica, might well be the biggest piece of ice on earth. This ice sheet is the size of France — and more than 1,200 feet thick in some places!

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