Christopher Columbus

He traveled to the American mainland and reached the coast south of the mouth of the Orinoco.

An excerpt from the article 26 facts about Christopher Columbus
Continuing along the coast in a westerly direction, the expedition discovered Trinidad. He then returned to Haiti, where in the meantime, the first permanent Spanish settlement had been established at West Indies, Santo Domingo. Relations in this Spanish community, however, did not go well. Columbus was accused of favoring his people, especially his son Diego. The expected economic benefits of the expedition were still not forthcoming, and reports to the Crown against Columbus began again.