Guyana were considered: Kaieteur National Park, Shell Beach and Historic Georgetown. By 1997, work on Kaieteur National Park was started, and in 1998 work on Historic Georgetown was begun. To date, however, Guyana has not made a successful nomination. Guyana submitted the Kaieteur National Park, including the Kaieteur Falls, to UNESCO as its first World Heritage Site nomination. The proposed area and surrounds have some of Guyana's most diversified life zones with one of the highest levels of endemic species found in South America. The Kaieteur Falls are the most spectacular feature of the park, falling a distance of 226 metres.
American Falls it was decided not to make alterations to the rockwall, citing the trend to allow nature to take its course. American Falls The American Falls is the second-largest of the three waterfalls that together are known as Niagara Falls on the Niagara River along the Canada–U.S. border. Unlike the much larger Horseshoe Falls, of which two-thirds is in Ontario, Canada and one-third in the U.S. state of New York, the American Falls is entirely within the United States. The falls receive approximately 11% of the flow from Niagara River, with most of the rest going over Horseshoe Falls, from which