| Answer | Crossword Clue |
|---|---|
| LEWIS | Partner in exploring |
| LEWIS | Clark's exploring partner |
| CLARK | Lewis's exploring partner |
| AMERIGO | First name in exploring |
| LEIF | First name in exploring |
| VASCO | First name in exploring |
| MARCO | First name in exploring |
| explore | to engage in exploring |
| exploring | to engage in exploring |
| canyoning | The sport of exploring a canyon by engaging in such activities as rappelling, rafting, and waterfall jumping |
