| GOBI | Desert home to the world's largest camel population (4) |
| UTAH | US state, home to the world's largest man-made excavation (4) |
| OSLO | Capital city with the Holmenkollen Ski Museum, home to the world's largest collection of skis |
| ASIA | Home to the world's largest mosque |
| OHIO | State home to the world's largest cuckoo clock |
| IOWA | State home to the world's largest truck stop |
| MARA | Maasai -; Kenya's national game reserve extending northward from the Serengeti that is witness annually to the world's largest migration (4) |
| KIEL | German Baltic city, host each year to the world's largest sailing event (4) |
| SAHARA | Desert home to the Tibesti Mountains |
| NEGEV | Desert home to the Arabian oryx |
| WICK | Town in the far north of the Scottish mainland, home to the world's shortest street (4) |
| AMOY | English name of Xiamen, China's "garden by the sea" in the Fujian province that is home to the world's longest elevated cyclepath (4) |
| CUBA | Home to the world's smallest bird, the bee hummingbird, which measures just 2.25" |
| PISA | City that's home to the world's most famous leaning tower |
| BOTSWANA | Containing much of the Kalahari Desert, country which is home to the world's largest elephant population (8) |
| ASSAM | Indian tea state, home to the world's largest population of great one-horned rhinoceroses in the Kaziranga National Park (5) |
| EASTEREGG | The Alberta town of Vegreville is home to the world's largest what?: 2 wds. |
| UTRECHT | City in the central Netherlands which is home to the world's largest bike parking facility (7) |
| ULSAN | A port on the Southeast coast of South Korea; home to the world's largest car assembly plant (5) |
| PRAGUE | Capital that's home to the world's largest castle, per Guinness |
