Robin at SW tip of Aus… Feb 7, 2011

Mammoth Cave Feb 7, 2011

Glenna inside cave Feb 7, 2011

Stalagtites in Mammoth… Feb 7, 2011

Inside Mammoth Cave Feb 7, 2011

External formation Feb 8, 2011

Feb 7, 2011

Glenna at southernmost… Feb 7, 2011

Flinders Memorial Feb 8, 2011

Next stop South Pole Feb 7, 2011

Robin wading in Southe… Feb 7, 2011

Glenna enjoying sun an… Feb 7, 2011