Within the last century, humans have explored Antarctica, the ocean depths, and outer space, although large-scale colonization of these environments is not yet feasible.

On vacations, he trekked in the Himalayas and explored Antarctica.

Together the books frame the story of the epic struggles to explore Antarctica.

A mining camp doctor, he ran wild rivers and explored Antarctica.

On 1 January 1908, the Nimrod Expedition, headed by Ernest Shackleton to explore Antarctica left from the harbour here.

Chris Moss explains the appeal of Ushuaia, the world's most southerly city and the departure point for exploring Antarctica.

Passengers can explore Antarctica by Zodiac, on foot or in kayaks.

George Buckley (1866-1937) explored Antarctica with the Nimrod Expedition led by Ernest Shackleton.

Humans first explored Antarctica in the early 20th century.

To keep your cool, head farther south and explore Antarctica with Orient Lines (0845 658 8050, www.orientlines.co.uk).