Presidents Visiting Antarctica

Has any U.S. president ever visited Antarctica at any point in their life?

If that question is too restrictive, how about, has any head of state ever visited Antarctica while in office?

President Bush has refused to visit Antarctica until the Antarctican Ambassador pledges to renounce terrorism. Until then, Antarctica remains part of the Axis of Evil.

Says the Antarctican Ambassador:

Translated from Penguinese:

The Senate is considering an economic aid package of $5.2 Billion, based on this request.

President Clinton wanted to go as part of his trip to New Zealand, but didn’t get the chance.

King Juan Carlos of Spain (coolest King ever!) was there in January.