| 100% | MOONROCKS | 9 | Some are displayed in the Smithsonian's National Air and Space Museum |
| 60% | INDEPENDENCEAVE | 15 | D.C. thoroughfare with the Smithsonian's National Air and Space Museum |
| 43% | IMAX | 4 | National Air and Space Museum film format |
| 42% | ELMO | 4 | Red Muppet in the Smithsonian’s National Museum of American History |
| 34% | HOPE | 4 | ___ Diamond, display at the Smithsonian National History Museum |
| 34% | JULIACHILD | 10 | Chef, cookbook writer, and TV personality whose original kitchen is on display at the Smithsonian National Museum of American History (2 wds.) |
| 33% | ART | 3 | What's displayed in the National Gallery |
| 33% | OCTANES | 7 | Some are in the 90's |
| 33% | BREATHE | 7 | Go above the water and take in some air while swimming |
| 33% | MOA | 3 | Display in the Auckland Museum |
| 33% | ART | 3 | What's on display in the Guggenheim Museum |
| 32% | NATIONAL | 8 | ___ Christmas Tree, iconic tree on display in the Ellipse, Washington D.C. that is lit up by the President and First Lady |
| 32% | ISLAMICART | 10 | It’s displayed in the Metropolitan Museum’s Damascus Room |
| 32% | MAE | 3 | Jemison in the Space and Women's Halls of Fame |
| 32% | OAS | 3 | The U.S. and Can. are in it |
| 32% | OXYGEN | 6 | It's in the air and water |
| 31% | SOAR | 4 | Be up in the air |
| 31% | WAFT | 4 | Be carried in the air |
| 31% | PLANED | 6 | Was up in the air |
| 31% | HOVER | 5 | Be still in the air |
| 31% | PEND | 4 | Be up in the air |
| 31% | SAX | 3 | Bill Clinton's is displayed at the Smithsonian, for short |
| 31% | POETRY | 6 | "April is National ___ Month! Complete the rhyme hidden in this crossword and celebrate the beauty of verse!" |
| 31% | RUBYDEE | 7 | Actress and activist who was awarded the National Medal of Arts, along with her husband, in 1995 |
| 31% | JOINTVENTURE | 12 | "My colleagues and I will do some exploratory work on your knee, in a ___," said the rheumatologist |
| 31% | AMANITA | 7 | Psychedelic mushroom whose color and role in Nordic shamanic rituals is believed by some to be the source of Santa Claus’s red-and-white suit |
| 30% | RALPHELLISON | 12 | 14-Across and 28-Across novelist who was awarded the National Medal of Arts in 1985 (2 wds.) |
| 30% | HALLOFFAME | 10 | This dedication to US Space Walking astronauts and equipment contractors is by the Indian R. in Titusville, FL. |
| 30% | YELLOWSTONE | 11 | The world's first national park, located in Wyoming, Montana, and Idaho |
| 30% | TABLOIDBUZZ | 11 | What's being discussed in the National Enquirer or Globe |