Google is constantly looking to make adjustments to Google Maps and allowing people to explore the world, including the places that few people ever get to see with their own eyes. If you've ever had a fear of heights or just don't have mountain climbing experience then Google has got some good news... the company just started adding images of some of the highest vantages on the planet so you can get a view from the comforts of your own home!
In various expeditions that were done by Google employees in 2011 and 2012, Google revealed in its blog that it has been able to add images for four (Mount Elbrus in Europe, Mount Everest in Asia, Mount Kilimanjaro in Africa, and Aconcagua in South America) of seven of the tallest mountains (Seven Summits) on each of the world continents. No need to worry about acclimating to the high altitudes!
The 360 degree panoramic views that you're able to see were done by taking photographs by Google employees and then stitching them together with Google's proprietary software which it uses for creating street views.
Prior to the addition of Aconcagua, the highest vantage point that was in Google Street View was Colorado's Mount Evans which has an elevation of a little over 14,000 feet.