Kaieteur Falls which is one of the longest and widest rivers in South America and the longest river in Guyana. The falls were discovered by Europeans in 1870 by a party led by Charles Barrington Brown, a British geologist appointed as a government surveyor to the colony of British Guiana. Brown and his partner James Sawkins had arrived in Georgetown in 1867, and while they did some of their mapping and preparation of geological reports together, some work was performed in separate expeditions, and Sawkins was taking a break from his work at the time of Brown's discovery of Kaieteur. At this
Shoshone Falls to the Shoshone Falls area. Over the next thirty years, American and British-Canadian fur trappers hunted throughout south-central Idaho and are believed to have observed Shoshone Falls. However, none of those who kept journals mentioned the feature. John C. Frémont passed through the Shoshone Falls area during his 1843 expedition, which aimed to map the country through which passed the western half of the Oregon Trail. None of his party observed the falls, however, because they left the river canyon (probably near Murtaugh) and cut southwest across a sandy plain to reach Rock Creek. They returned to the canyon rim