极目远望

Explanation: Refers to the exhaustion of eyesight to a distance 　　Usage: Partial official; as predicate; refers to the exhaustion of vision to a distance 　　Source: San Guowei Wang Lang "and Xu Jing book": "Although the American sub-soil, to also look ahead in the regression, but ya ear to listen, the extension of the neck and heli also." Thesaurus:  look as far as the eye can see overlook, look as far as the eye can see look around