Farsight (wizard)

Farsight allows caster to temporarily view unexplored areas of the current map.

In-game description
"Farsight When Farsight is cast, the caster is able to view an area of an unexplored map. After casting the spell, simply click on a section of map that you want to view. For the duration of the spell, the caster can spy on that area, noting creatures and fortifications."

Baldur's Gate

 * Sorcerous Sundries

Baldur's Gate II: Shadows of Amn

 * Adventurer's Mart - Pen and Parchment

Baldur's Gate II: Throne of Bhaal

 * Arcana Archives - Saradush