Eye of Stone

(Races of Stone, DnD 3.5)

Divination (Scrying)

Level: ; Sorcerer/Wizard 6
Components: V, S
Casting Time: 1 standard action
Range: Personal
Target: You
Duration: 1 round/level (D)

You create an invisible magical sensor that can move through solid stone and send you visual information.
This spell functions like the arcane eye spell (see page 200 of the Player's Handbook), except that you can move the sensor through stone.