SARA WHEELER, TERRA INCOGNITA — Robert... Scott, Ernest Shackleton, Roald Amundsen and Douglas Mawson... were the heroes of a generation of children who pored over images of bergs towering above wooden ships and men and dogs straining in front of sledges.
| A. | Goal reached on Dec. 14, 1911 (2 wds.) | SOUTHPOLE |
| B. | Just free of the bottom | AWEIGH |
| C. | Body of water next to Marie Byrd Land (2 wds.) | ROSSSEA |
| D. | Heading for a poop | ASTERN |
| E. | Prominent features of seals | WHISKERS |
| F. | Reason to change tacks | HEADWIND |
| G. | Endeavor; exertion; travail | EFFORT |
| H. | Ill-fated vessel that was the subject of a 2000 documentary | ENDURANCE |
| I. | Author of the 1908 story "To Build a Fire" | LONDON |
| J. | New Zealand's ___ National Park, built around a volcano | EGMONT |
| K. | Visible algal blooms in the summer (2 wds.) | REDSNOW |
| L. | Carrier involved in a rapid descent | TOBOGGAN |
| M. | The biggest among penguins | EMPEROR |
| N. | Colonialist who said "I would annex the planets if I could" | RHODES |
| O. | Craft for a shore party | ROWBOAT |
| P. | Positioned for docking | ALONGSIDE |
| Q. | Perch for a skua or Adelie (2 wds.) | ICEFLOE |
| R. | Norwegian explorer Fridtjof ___, who won the 1922 Nobel Peace Prize | NANSEN |
| S. | "Avast!" or "Belay!" | COMMAND |
| T. | Unawares; errant; not in a safe spot? (2 wds.) | OFFBASE |
| U. | Gear for blizzard conditions | GOGGLES |
| V. | Guide in finding a true azimuth (2 wds.) | NORTHSTAR |
| W. | Like a distress-signaling flag, in olden times | INVERTED |
| X. | Frozen fare (2 wds.) | TVDINNER |
| Y. | Parting word in Tierra del Fuego | ADIOS |