| Clue | Source | Date |
|---|---|---|
| Major journeys | ||
| Adventure safaris | ||
| Voyages of discovery | ||
| Journeys made by explorers | The Telegraph Quick | 27 Mar 2020 |
| Organized hikes | Thomas Joseph | 08 May 2018 |
| Organized hikes | New York Times | 21 Aug 2016 |
| Organized hikes | ||
| Journeys of discovery | ||
| Fishing ___ |