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15 travel destinations being ruined by tourism

By: Bryan Nelson on June 4, 2010, 11:55 a.m.
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Antarctica

This massive continent to the South is largely uninhabited, and that's part of its allure. It is a top item on many an adventure traveler's wish list, and the continent is beginning to feel the outside pressure. (Cruise ships regularly visit its shores.) Antarctica has a fragile ecology, including many native animal species that are sensitive to change. Perhaps it's best to leave at least one of the world's seven continents alone.