| 100% | AMUNDSEN | 8 | Roald __; first explorer to reach the South Pole |
| 89% | AMUNDSEN | 8 | First explorer to reach the South Pole |
| 70% | AMUNDSEN | 8 | Norwegian explorer Roald, first to the South Pole |
| 67% | ROALD | 5 | ___ Amundsen, Norwegian explorer who became the first person to reach the South Pole on 14th December, 1911 |
| 65% | ROALDAMUNDSEN | 13 | Norwegian explorer who in 1911 became the first person to reach the South Pole, one month ahead of 18-Across: 2 wds. |
| 59% | AMUNDSEN | 8 | Norwegian explorer, the first to the South Pole |
| 56% | BALBOA | 6 | First European explorer to reach the Pacific, 1513 |
| 55% | AMUNDSEN | 8 | First explorer to land on both poles: Roald __ |
| 53% | BYRD | 4 | "With ___ at the South Pole," first documentary to win an Oscar (for cinematography) |
| 50% | ROALDAMUNDSEN | 13 | Norwegian explorer who led the first expedition to the South Pole in the early 1900s: 2 wds. |
| 48% | MATTY | 5 | Explorer McNair who led the first all-female expedition to to the Geographic North Pole |
| 47% | AMUNDSEN | 8 | South Pole explorer Roald |
| 46% | MCCLURE | 7 | First explorer to find a route around the Americas |
| 45% | RAN | 3 | Tried to reach the finishing ribbon first, perhaps |
| 45% | TITANIC | 7 | The first film to reach the billion-dollar mark |
| 45% | HILLARY | 7 | Edmund —, New Zealand explorer; first man to reach the summit of Mount Everest |
| 44% | RICHARDBYRD | 11 | American explorer who in 1929 became the first person to fly over the South Pole: 2 wds. |
| 44% | DIAS | 4 | Portuguese explorer Bartolomeu, the first European to sail around the south of Africa |
| 44% | BYRD | 4 | Explorer Richard who made the first flight over the South Pole |
| 42% | MAGELLAN | 8 | First European explorer to cross the Pacific |
| 41% | ANN | 3 | Explorer Bancroft who was the first woman to complete an expedition to the North Pole |
| 41% | RITA | 4 | First Nobel laureate to reach the age of 100 |
| 40% | AMUNDSEN | 8 | First man to go on both North and South Poles |
| 40% | NETSCAPE | 8 | Loser to Explorer in the first browser war |
| 39% | ROME | 4 | First city to reach a population of one million people, in the second century B.C. |
| 38% | CAROLINA | 8 | South __, first state to secede from the USA |
| 38% | LETITGO | 7 | First Disney song to reach the top 5 on Billboard in the 21st century |
| 37% | ANTARCTIC | 9 | Near the south pole |
| 37% | RANGER | 6 | __ 4; first US spacecraft to reach the Moon |
| 37% | COLDHOPPERS | 11 | Kangaroos at the South Pole? |