Related Clues:
- Data-collecting craft
- Delve
- Official investigation
- Senate investigation
- Penetrating investigation
- Explore deeply
- Voyager or Pathfinder, e.g.
- Travel through region to learn about it
- Question or examine thoroughly
- Examine unknown territory
- Examine or investigate, new country or possibilities
- Examine or investigate, maybe possibilities
- Search and inquire into
- Travel through an area to learn about it
- Travel in search of discovery