It's twice the size of Australia, a continent that is the same size as China and India put together.

I'm still struggling to piece together my thoughts.

No one had ever accomplished the journey Saunders and his partner were attempting.

They accomplished the longest ever polar journey on foot.

Having a safety net allowed the expedition to push their limits as human beings.

No planes could land on the glacier, so they were at the most risk while on the glacier.

I've never felt as small as I did in Antarctica.

For more than a century this journey has remained unfinished.

We were genuinely quite hungry, and in quite a bad way.

You could fit the entirety of Manhattan in the gap on the horizon.

An area that hasn't been mapped yet is called uncharted territory.

The glacier made Saunders feel the smallest he had ever felt in his life.

It was a peculiar feeling, and a real surprise to me to be debilitated to that degree.

How come this has remained the high-water mark?

Antarctica was, for the most part, a century ago, uncharted.

It is much easier to write a proposal about human limits than to actually experience them.

One of the interesting side effects seems to be that my short-term memory is entirely short.

You've heard that the average American spends 90 percent of their time indoors.

Because he called in the plane, it prevented his dream from being perfect.