Based on volume of water, Guanabara Bay is the largest bay in the world. The shape of the bay and surrounding granite monolith mountains (including iconic Sugarloaf Mountain) was formed by erosion of the Atlantic Ocean, and it is that fantastic act of nature that helped the harbor become designated one of the Seven Natural Wonders of the World.
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Harbor of Rio de Janeiro
Based on volume of water, Guanabara Bay is the largest bay in the world. The shape of the bay and surrounding granite monolith mountains (including iconic Sugarloaf Mountain) was formed by erosion of the Atlantic Ocean, and it is that fantastic act of nature that helped the harbor become designated one of the Seven Natural Wonders of the World.