Wikipedia
Quillagua
Quillagua is an oasis in the Tocopilla Province, in the Antofagasta Region of northern Chile. It is a part of the commune of María Elena. The Loa River is crossed by the Pan-American Highway in this area. According to the Dirección Meteorológica de Chile, Quillagua would be drier than Arica and thus it would be the driest place on Earth. This is also recognized by the Guinness Book of Records.