| National League stadium | 23 |
| National League team | 20 |
| National League's M.V.P. in 1954 | 36 |
| National League's MVP of 1998 | 33 |
| National League's Warren | 28 |
| National Leaguer | 16 |
| National Leaguer since '62 | 30 |
| National Leaguer since 1965 | 27 |
| National Leaguer who was ranked first, second, or third in walks every year from 1929 to 1944 | 93 |
| National Leaguers | 17 |
| National loafers? | 17 |
| National Mall liners | 20 |
| National Mall shade providers | 29 |
| National Mall shaders | 21 |
| National Mall sight | 19 |
| National Mall trees | 19 |
| National men's org. | 23 |
| National Merit Scholarship hurdle | 33 |
| National monogram | 17 |
| National monument dedicated 10/28/1886 | 38 |
| National monument in Alaska | 27 |
| National monument near Flagstaff | 32 |
| National monument site since 1965 | 33 |
| National motto | 14 |
| National Museum of Afghanistan city | 35 |
| National Museum of Finland site | 31 |
| National Museum of Indonesia setting | 36 |
| National Museum of Western Art city | 35 |
| National name on some euros | 27 |
| National Naval Medical Center location | 38 |
| National Naval Medical Center setting | 37 |
| National nickname | 17 |
| National No Socks Day month | 27 |
| National observance | 19 |
| National opener | 15 |
| National opener? | 16 |
| National or American | 20 |
| National org. that installed its first male president in 2009 | 61 |
| National org. with the slogan "every child. one voice" | 64 |
| National Organic Program org. | 29 |
| National Organic Program sponsor | 32 |
| National paper | 14 |
| National Park | 13 |
| National park allure | 20 |
| National park along the Atlantic | 32 |
| National Park animals | 21 |
| National Park close to Las Vegas | 32 |
| National Park closest to Las Vegas | 34 |
| National park employees | 23 |
| National park in Alaska | 23 |
| National park in Alberta | 24 |
| National Park in Alberta, Canada | 32 |
| National park in Arizona | 24 |
| National park in Bar Harbor, Maine | 34 |
| National park in California | 27 |
| National park in Colorado | 25 |
| National park in Fla. | 21 |
| National Park in Florida | 24 |
| National park in Lake Superior | 30 |
| National Park in Maine | 22 |
| National park in Me. | 20 |
| National park in Mont. | 22 |
| National Park in N.M. | 21 |
| National park in Namibia | 24 |
| National park in Newfoundland | 29 |
| National park in Okla. | 22 |
| National park in Oklahoma | 25 |
| National park in Oregon | 23 |
| National park in South Dakota | 29 |
| National Park in southern Utah | 30 |
| National park in SW Utah | 24 |
| National park in the Cascades | 29 |
| National Park in the Sierra Nevadas | 35 |
| National park in Utah | 21 |
| National park in Washington | 27 |
| National park in Wyo. | 21 |
| National park menace | 20 |
| National park near Bar Harbor | 29 |
| National park near Moab, Utah | 29 |
| National park near Mount Rushmore | 33 |
| National park near Springdale, Utah | 35 |
| National park of Maine | 22 |
| National park on the Maine coast | 32 |
| National park SE of Bangor | 26 |
| National Park since 1935 | 24 |
| National Park since 1968 | 24 |
| National Park since 1980 | 24 |
| National Park southwest of Fairbanks | 36 |
| National park that inspired "The Lion King" | 53 |
| National park through which the Virgin River runs | 49 |
| National park trail, e.g. | 25 |
| National park until 2009? | 25 |
| National park whose name means "the high one" | 55 |
| National park with the Pink Cliffs | 34 |
| National parks and forests, e.g. | 32 |
| National parks, e.g. | 20 |
| National pastime | 16 |
| National pastime number | 23 |
| National personae non gratae | 28 |
| National Pizza Mo. | 18 |