Colombia is one of the world's seventeen megadiverse countries; it has the second-highest level of biodiversity in the world. Its territory encompasses the Amazon rainforest, highlands, grasslands, and deserts. It is the only country in South America with coastlines and islands along both the Atlantic and Pacific oceans.

Peru is a country in South America that's home to a section of Amazon rainforest and Machu Picchu, an ancient Incan city high in the Andes mountains. The region around Machu Picchu, including the Sacred Valley, Inca Trail and colonial city of Cusco, is rich in archaeological sites. On Peru’s arid Pacific coast is Lima, the capital, with a preserved colonial center and important collections of pre-Columbian art.

Ecuador is a country straddling the equator on South America’s west coast. Its diverse landscape encompasses Amazon jungle, Andean highlands and the wildlife-rich Galápagos Islands. In the Andean foothills at an elevation of 2,850m, Quito, the capital, is known for its largely intact Spanish colonial center, with decorated 16th- and 17th-century palaces and religious sites, like the ornate Compañía de Jesús Church.