Pedestal of Time
The Triforce Pedistal is the traditional holding place for the Master Sword. The Triforce Pedistal is located in many different locations throughout the Zelda series.
A Link to the Past
In The Legend of Zelda: A Link to the Past the Triforce Pedistal is located deep within the Lost Woods. You can retrieve the Master Sword from here after retrieving the three pendants: The Pendant of Courage, the Pendant of Wisdom, and the Pendant of Power.
Ocarina of Time
In The Legend of Zelda: Ocarina of Time the Triforce Pedistal is located within the Temple of Time behind the Door of Time. To get the Master Sword] here you need to collect the Kokiri Emerald, Goron Ruby, and the Zora's Sapphire then play the Song of Time in front of the Door of Time.