| 100% | HOPEDIAMOND | 11 | 45 1/2-carat gem at the National Museum of Natural History [Rhode Island] |
| 37% | YALE | 4 | Home of the Peabody Museum of Natural History |
| 37% | YALE | 4 | Setting of the Peabody Museum of Natural History |
| 35% | HOPE | 4 | ___ Diamond, display at the Smithsonian National History Museum |
| 35% | HOPE | 4 | Word at the center of Rhode Island's flag |
| 34% | WHALE | 5 | Big blue creature in the American Museum of Natural History |
| 34% | STEGOSAURS | 10 | Museum of natural history exhibits |
| 33% | TREX | 4 | Museum of natural history attraction, in brief |
| 33% | HANOI | 5 | Home of the Vietnam National Museum of History |
| 33% | MESA | 4 | Arizona Museum of Natural History setting |
| 33% | MESA | 4 | Arizona Museum of Natural History location |
| 32% | ROGERWILLIAMS | 13 | Puritan religious-freedom advocate representing Rhode Island in the Capitol's National Statuary Hall: 2 wds. |
| 31% | LADYGAGA | 8 | Singer of the national anthem at Super Bowl 50: 2 wds. |
| 31% | ELLISISLAND | 11 | National Museum of Immigration site: 2 wds. |
| 31% | TREX | 4 | Pride of natural history museums |
| 31% | ALICIAKEYS | 10 | Singer of the national anthem at the Super Bowl in 2013: 2 wds. |
| 31% | ELLIS | 5 | ___ Island (New York Harbor home to the National Museum of Immigration) |
| 30% | RAINBOWROAD | 11 | Colorful racetrack found at the end of each 45-Across game (2 wds.) |
| 30% | JORDINSPARKS | 12 | Season 6 "American Idol" winner who sang the National Anthem at the 2008 Super Bowl in her hometown of Phoenix: 2 wds. |
| 30% | ELMO | 4 | Red Muppet in the Smithsonian’s National Museum of American History |
| 30% | FLORENCE | 8 | City of the National Museum of Bargello |
| 29% | AHAT | 4 | At the drop of ___ (instantly): 2 wds. |
| 29% | AHAT | 4 | At the drop of ___ (quickly): 2 wds. |
| 29% | ANEW | 4 | At the dawn of ___ millennium: 2 wds. |
| 29% | ALSTON | 6 | Charles who created murals for Harlem Hospital and the American Museum of Natural History |
| 29% | OSAKA | 5 | City of 2 1/2+ million at the mouth of the Yodo River |
| 29% | FEDUP | 5 | At the end of one's rope: 2 wds. |
| 29% | TOMB | 4 | "Night at the Museum: Secret of the ___" |
| 28% | OSAKA | 5 | City of 2 1/2 million at the mouth of the Yodo River |
| 28% | ANTICOSTI | 9 | Island at the mouth of the |