| What is the Circumference of the Earth? |            | ~ 24,902 miles |
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| What is the Deepest Ocean Trench? | | Marianas Trench (35,397 feet) |
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| What is the highest point on earth? | | Mt. Everest (29,028 feet) |
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| What is the driest inhabited place on earth? | | Aswan, Egypt (0.02 inches of rain/annual) |
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| What is the wettest inhabited place on earth? | | Buenaventura, Columbia (266 inches of rain/annual) |
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| What is the least populous country? | | Vatican City (1,000 people) |
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| What is the most populous country? | | China (1,310,000,000 people) |
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| What is the largest island? | | Greenland (800,000 square miles) |
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| What percentage of the world's surface is water? | | 70% |