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.
Pikes Peak is the highest summit of the southern Front Range of the Rocky Mountains of North America. The ultra-prominent 14,115-foot (4,302.31 m) fourteener is located in Pike National Forest, 12.0 miles (19.3 km) west by south (bearing 263Â°) of downtown Colorado Springs, Colorado.