Africa does have mountain ranges. The mountain ranges run from the Dead Sea in Israel, which is not part of Africa, to Switzerland.
atlas mountain and drakesburge mountain
The mountain ranges in West Africa are the Tibesti Mountains ( located in northwest Chad) and the Fouta Djallon ( found in eastern Guinea).
See the list of mountain ranges in the state of Nevada at: http://en.wikipedia.org/wiki/List_of_mountain_ranges_of_Nevada
the Himalayas
Atlas Mountains
Atlas Morocco Tunisia
Atlas Mountains, Mount Kilimanjaro, and Drakensburg Mountain.
There are a number of mountain ranges spanning South East Africa, the most famous is probably the Draakensberg (Dragons Mountain) is eastern South Africa
The Alps in Europe and the Atlas in Africa
There are many, but the Atlas mountains in the north are the longest and The Rwenzori Mountains, previously called the Ruwenzori Range, in Uganda is the highest. See Sources and related links for a partial list.
There are a great many mountain ranges in the United States alone. These mountain ranges include the Rocky Mountains and the Appalachian Mountains.