Related Clues:
- Difficult hike
- Voyage with Spock
- Travel laboriously
- Natural-history museum attraction
- Trip in the mountains
- Hardly a walk in the park
- Cretaceous critter, commonly
- Voyage for Spock
- Voyage of Capt. Kirk
- "Jurassic Park" beast
- An arduous walk
- A long arduous journey
- Expedition or difficult trip
- A long arduous journey as in S Africa
- A long hard march