Summer Budget Travel Tips from Gadling

The Seven Natural Wonders of the World

The Great Barrier Reef

More than 2,000 km (1,200 miles) long, it runs along the coast of Australia. (Photo: Getty Images)

Jan 14th 2009 @ 2:37AM

The Seven Natural Wonders of the World

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Mount Everest
Grand Canyon
The Great Barrier Reef
Victoria Falls
Aurora Borealis
Parícutin Volcano
Rio de Janeiro Harbor