But that's what happens when the unexplored world runs dry while our thirst for explorers persists.

He managed to set an amazing bench mark for exploration and got much of the unexplored world mapped.

He could have been anyone's menial assistant, ill at ease in this group of ecological experts on an unexplored world.

The lure of this unexplored world was even stronger than his fatigue.

A thousand imaginary journeys might be made along the banks of these rivers of an unexplored world.

"There's obviously an entire unexplored world down here," Nicole replied.

Thus, modern luthiers have an almost fantastic but still unexplored world in front of them, except by Carrillo's mind.

In the expansion, the Hero faced many new dangers and a new unexplored world.

Scientists and researchers are preparing for the day when astronauts may visit these unexplored worlds.

Still, there was a whole unexplored world out there for them.