The Province of Cádiz is in south Spain. Its capital is Cádiz, an ancient port city on a promontory. It’s home to a gold-domed cathedral and more than 100 watchtowers, like the Torre Tavira.

Cajas National Park is located 30 km west of the city of Cuenca, capital of the province of Azuay.

The Calilegua National Park is a federal protected area in Jujuy Province, Argentina. Established on 19 July 1979, it houses a representative sample of the Southern Andean Yungas biodiversity in good state of conservation.

Cambodia is a Southeast Asian nation whose landscape spans low-lying plains, the Mekong Delta, mountains and Gulf of Thailand coastline.

Cape Greco, also known as Capo Greco is a headland in the southeastern part of the island of Cyprus.

Cordillera Central, is the main mountain range in Puerto Rico. The range crosses the island from west to east and divides the island into northern and southern coastal plains.

Cerro de Punta or just Cerro Punta is the highest peak in Puerto Rico, rising to 1,338 meters above sea level. The mountain is part of the Cordillera Central and is located in the municipality of Ponce.

Chacaltaya is a mountain in the Cordillera Real, one of the mountain ranges of the Cordillera Oriental, itself a range of the Bolivian Andes. Its elevation is 5,421 meters.

Chile is a long, narrow country stretching along South America's western edge, with more than 6,000km of Pacific Ocean coastline. Santiago, its capital, sits in a valley surrounded by the Andes and Chilean Coast Range mountains.

The Choco Bioregion, a major hotspot, snakes its way down from Panama, through Colombia, and into Northern Ecuador. Cut off from the Amazon by the Andes mountains, a whole range of new species has emerged here, many of which are endemic to the region