The Kennebec was first explored to this point in 1607.
The hinterland of Liberia has been but slightly explored for mineral wealth.
Boyd Alexander, a British officer, further explored the lake, which then contained few stretches of open water.
A good feature is the map, which shows you the areas you have explored.
He took her arm with one of the hands that had explored every part of her body – or the body he thought was hers - not even a few hours before.