explorationThe action of traveling in or through an unfamiliar area in order to learn about it.
Definitions:
The action of exploring an area
frontierA line or border separating two countries.
Definitions:
A border between two countries
courageThe ability to do something that frightens one.
Definitions:
Bravery in the face of fear
undauntedNot discouraged or disheartened; resolutely courageous.
Definitions:
Not intimidated or discouraged
wildernessAn uncultivated, uninhabited, and inhospitable region.
Definitions:
A wild or uncultivated area