An obligate parasite, or holoparasite, is a parasitic organism that cannot complete its life-cycle without exploiting a suitable host.
Part of the Andes mountain range, Aconcagua is the second highest of the Seven Summits, behind only Mount Everest in Asia. At 22,837 feet (6,961 meters), not only is it the highest mountain in South America, it is the tallest peak in all of the Americas as well as the Southern and Western Hemispheres.
Today, it remains the fastest wind ever recorded in the United States and in the Northern Hemisphere. With a slogan like Home of the World's Worst Weather, Mount Washington is a location known for having harsh weather. Standing at 6,288 feet, it is the highest peak in the Northeastern United States.