The Explorers Grand Slam or Adventurers Grand Slam is an adventurer’s challenge to reach the North Pole, the South Pole and all of the Seven Summits. The North Pole is defined as the point in the Northern Hemisphere where the Earth’s axis of rotation meets its surface. The South Pole, situated in Antarctica, is the southernmost point on the surface of the Earth and lies on the opposite side of the Earth from the North Pole. The Seven Summits are defined as the highest mountain peaks of each of the seven continents. Click a marker on the map below to learn more about each of the Seven Summits.