| 100% | YELLOWSTONE | 11 | The world's first national park, located in Wyoming, Montana, and Idaho |
| 49% | YELLOWSTONE | 11 | First national park in the U.S. with parts in Wyoming that was featured in the movie "2012" |
| 47% | ZION | 4 | National park located in southwestern Utah that was featured in the movie "Butch Cassidy and the Sundance Kid" |
| 44% | YOSEMITE | 8 | National park located in California's Sierra Nevada mountains that was featured in the movie "Maverick" |
| 42% | GEYSER | 6 | The world's tallest currently-active ___ is the Steamboat in Yellowstone National Park |
| 42% | REDWOOD | 7 | Tallest tree in the world and a US National Park |
| 41% | STONE | 5 | World's first national park |
| 41% | SPIT | 4 | Curonian ___, European national park located in Lithuania known for the dead dunes |
| 39% | GRANDCANYON | 11 | National park located in northwestern Arizona that was featured in the movie "How to Be Single": 2 wds. |
| 39% | DAYTIMEMEAWARDS | 15 | Prizes won by Acadia National Park for the first sight of sunrise in the U.S.? |
| 39% | REDWOOD | 7 | National park on the northern coast of 52-Across that's home to the tallest trees in the world |
| 37% | BANFF | 5 | Canada's first national park, founded in 1885 |
| 37% | SMOKY | 5 | Great ___ Mountains National park located between North Carolina and Tennessee that was featured in the movie "A Walk in the Spring Rain" |
| 37% | YOSEMITE | 8 | — National Park, World Heritage Site in California, US in the Sierra Nevada Mountains |
| 37% | EVEREST | 7 | The world's highest mountain located in Nepal |
| 36% | FUNDY | 5 | ___ National Park, Canadian park in New Brunswick that features the highest tides in the world |
| 36% | JOSHUATREE | 10 | National park at the junction of the Mojave and the Colorado deserts in 52-Across (2 wds.) |
| 36% | SHERMAN | 7 | General ___, largest known living single-stem tree on Earth, located in the Sequoia National Park |
| 35% | ACADIA | 6 | Major American national park located in Maine |
| 35% | BOSTON | 6 | Site of the world's first city marathon in 1897 |
| 35% | MOORS | 5 | North York ___, European national park located in England |
| 35% | MOYENNE | 7 | Island reserve and national park in the Seychelles |
| 34% | HATH | 4 | Verb in the world's first telegraph message |
| 34% | ACADIA | 6 | First national park east of the Mississippi |
| 34% | TULIP | 5 | Flower that caused the world's first economic bubble in the 1630s |
| 33% | VICTORYGARDEN | 13 | Vegetable patch grown to aid in the war effort during the First and Second World Wars |
| 33% | FUN | 3 | First Across word in the world's first crossword |
| 33% | BANFF | 5 | National park in the Canadian Rockies |
| 33% | DULLES | 6 | Washington ___ International Airport, one of the world's largest airports that is located in Virginia |