| Home of the annual Gathering of Nations powwow, the world's largest celebration of Native American culture |
| Lines on the Antiquity of Microbes," a.k.a. "Fleas," in its entirety (world's shortest poem?) |
| Chicago-area institution home to the world's most powerful particle accelerator |
| Pitcher? |
| One of the world's hottest chili peppers (over 900 times hotter than Tabasco sauce), aka "ghost pepper |
| Andean volcano, the world's second-largest |
| Actor who appeared completely nude in "The Fisher King" and "World's Greatest Dad": 2 wds. |
| About 60% of the world's inhabitants |
| The Crossword Obsession: The History and Lore of the World's Most Popular Pastime" author Coral |
| Mideast city that's home to the world's tallest building |
| Cont. that's roughly 14% of the world's population |
| One of the world's last remaining People's Democratic Republics |
| World's most produced organic compound |
| World's first large-scale computer |
| About 60% of the world's population |
| Airport code of the world's busiest airport |
| Drainage area of the world's longest river |
| World's most prolific author? |
| World's most voluminous river |
| World's most widely distributed syndicated news service |
| About 80% of the world's species, according to the Smithsonian |
| One of the world's greatest conductors? |
| About 30% of the world's land |
| Injured pitcher? |
| World's most densely populated country |
| Fastest feline |
| World's sparsest-populated country |
| Possibly the world's most famous man |
| Quote from a pitcher? |
| Pirate lords' group in "Pirates of the Caribbean: At World's End |