Which natural wonder located in Arizona, USA, is known for its vast colorful landscape carved by the Colorado River?
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Monument Valley
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Yosemite Valley
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Death Valley
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Grand Canyon
Which natural site in the USA reveals nearly two billion years of Earth's history through its layered rock?
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Appalachian Trail
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Bryce Canyon
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Rocky Mountains
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Grand Canyon
Which natural wonder off the coast of Australia is the world's largest coral reef system?
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Belize Barrier Reef
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Maldives Atolls
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Great Barrier Reef
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Red Sea Reef
Which marine natural wonder in Australia is visible from space and home to thousands of marine species?
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Gulf of Carpentaria
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Coral Sea Islands
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Great Barrier Reef
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Tasman Sea
Which natural wonder is the highest mountain on Earth, located in Nepal?
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Mt. Elbrus
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Mt. K2
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Mt. Everest
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Mt. Kilimanjaro
Which natural landmark attracts climbers worldwide has elevation of 8848.86 meters?
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Mt. Everest
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Mt McKinley
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Mt. Blanc
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Mt. Lhotse
Which massive natural waterfall is on the border of Zambia & Zimbabwe and is one of the largest in the world?
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Iguazu Falls
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Angel Falls
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Niagara Falls
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Victoria Falls
Which waterfall in Africa is known for its enormous width & often called "The Smoke That Thunders"?
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Victoria Falls
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Blue Nile Falls
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Kalambo Falls
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Tugela Falls
Which volcanic natural wonder in Mexico famously emerged from a cornfield in 1943 & grew rapidly?
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Izalco
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Parícutin
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Colima
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Popocatépetl
Which volcanic natural wonder in Mexico is one of the few whose birth was witnessed & recorded by humans?
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Mt. Etna
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Parícutin
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Mauna Loa
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Mt. St. Helens
