Explorer's Grand Slam

Sir David Hempleman-Adams standing in Antarctica in 2018. In 1998 he became the first person to complete an Explorer's Grand Slam.
Vanessa O'Brien skiing the last degree to the North Pole as part of the Explorer's Grand Slam in 2013. She was the first woman to complete the Last Degree in under one year.

The Explorer's Grand Slam is an adventurer goal to reach the North Pole and South Pole, as well as climb the Seven Summits (Everest, Aconcagua, Denali, Kilimanjaro, Elbrus, Vinson, and Puncak Jaya or Kosciuszko).

The Ultimate Explorer's Grand Slam includes this, plus visiting every country in the world.