| Clue | Answer | % Correct |
|---|---|---|
| Chicago's state | Illinois | 99%
|
| Boise is its capital | Idaho | 98%
|
| House made of snow | Igloo | 95%
|
| Civilization that built Machu Picchu | Inca | 95%
|
| The Hawkeye State | Iowa | 92%
|
| Native people of the Arctic | Inuit | 87%
|
| Motor racing city in Midwest | Indianapolis | 86%
|
| Famous Rio de Janeiro beach | Ipanema | 74%
|
| Group of prestigious universities, aka "The Ancient Eight" | Ivy League | 70%
|
| Philadelphia building in which the Continental Congress met | {Independence} Hall | 69%
|
| Narrow strip of land that connected North America to South America until 1914 | {Isthmus} of Panama | 69%
|
| Famous waterfalls on the Argentina–Brazil border | Iguazú Falls | 67%
|
| Confederation of six different Native American tribes | Iroquois | 56%
|
| City in New York that is hometo the Cornell University | Ithaca | 52%
|
| Ore-rich area of Minnesota | {Iron} Range | 50%
|
| Language with the second-most native speakers in Argentina | Italian | 47%
|
| Alaskan sled-dog race | Iditarod | 39%
|
| Capital of Nunavut, Canada | Iqaluit | 35%
|
| Urban region in southern California | {Inland} Empire | 32%
|
| Largest of the Galápagos Islands | Isabela | 13%
|