Chimborazo
The peak of Chimborazo is the farthest point from the center of the Earth. This is due to the Earth bulging out at the equator and Chimborazo being located just one degree south of the equator. Mount Everest is 28° north of the equator. Thus Chimborazo is 2.1 kilometres farther from the Earth's center than Everest. Chimborazo is 73.5 metres higher than the highest mountain in North America. Chimborazo is often associated with the nearby volcano Cotopaxi, although the two volcanoes have completely different structures.
Chimborazo
In 1802, during his expedition to South America, Alexander von Humboldt, accompanied by Aimé Bonpland and the Ecuadorian Carlos Montúfar, tried to reach the summit. From his description of the mountain, it seems that before he and his companions had to return suffering from altitude sickness they reached a point at 5,875 m, higher than previously attained by any European in recorded history (Incans had reached much higher altitudes previously; see Llullaillaco). In 1831, Jean Baptiste Boussingault and Colonel Hall reached a new "highest point", estimated to be 6,006 m.