World's Highest Waterfall. Angel Falls (Salto Ángel) is the highest waterfall in the world. The falls are 3230 feet in height, with an uninterrupted drop of 2647 feet.

Nicaragua has a land border with Costa Rica.

Rio de Janeiro

2 countries border Costa Rica by land.

The highest waterfalls in the world, Angel Falls, are in Venezuela in South America. They are on Orinoco River.

South America ranks fourth in area (after Asia, Africa, and North America) and fifth in population (after Asia, Africa, Europe, and North America). Brazil is by far the most populous South American country, with more than half of the continent's population, followed by Colombia, Argentina, Venezuela and Peru.

Brazil, officially the Federative Republic of Brazil, is the largest country in both South America and Latin America. As the world's fifth-largest country by area, sixth by population and also most populous country of south america, it is the largest country to have Portuguese as an official language and the only one in the Americas. Bounded by the Atlantic Ocean on the east, Brazil has a coastline of 7,491 kilometers (4,655 mi) It borders all other South American countries except Ecuador and Chile and covers 47.3% of the continent's land area. Its Amazon River basin includes a vast tropical forest, home to diverse wildlife, a variety of ecological systems, and extensive natural resources spanning numerous protected habitats. This unique environmental heritage makes Brazil one of 17 megadiverse countries, and is the subject of significant global interest and debate regarding deforestation and environmental protection.

Brazil is nearest to Cayenne (French Guiana).

The Amazon River, usually abbreviated to Amazon in South America is the largest river by discharge volume of water in the world and according to some authors, the longest in length.

Honduras has a land border with El Salvador.