The Seven Summits are the highest mountains of each of the seven continents. Summiting all of them is regarded as a mountaineering challenge, first postulated as such in the 1980s by Richard Bass.
Roof of the world - 8848m
Highest summit of North America - 6194m
The highest summit of Africa - 5895m
The highest summit in Europe - 5642m
Highest point of Antarctica - 4897m.
Highest summit of Oceania - 4884m