Colorado is a state in the western United States encompassing most of the southern Rocky Mountains as well as the northeastern portion of Colorado.

El Corazón is a location in the Cotopaxi Province, Ecuador. It is the seat of the Pangua Canton.

Corsica, a mountainous Mediterranean island, presents a mix of stylish coastal towns, dense forest and craggy peaks (Monte Cinto is the highest). Nearly half the island falls within a park whose hiking trails include the challenging GR 20.

Clare is a county in western Ireland with terrain ranging from rolling countryside to craggy Atlantic coastline. The Burren, a uniquely rocky wilderness area, shelters Stone Age monuments and ancient churches, and atop the 213m-high Cliffs of Moher.

County Down is one of six counties that form Northern Ireland, in the northeast of the island of Ireland. It covers an area of 2,448 km² and has a population of 531,665. It is also one of the thirty-two traditional counties of Ireland.

County Galway is on Ireland’s western seaboard. Its eastern areas feature rolling farmland plains. To the west are the raised bog, heathered hills, lakes and mountains of Connemara.

Cumbria is a ceremonial and non-metropolitan county in North West England. The county and Cumbria County Council, its local government, came into existence in 1974 after the passage of the Local Government Act 1972.

The Cuyabeno Wildlife Reserve is the second largest reserve of the 56 national parks and protected areas in Ecuador. It is located in the Putumayo Canton in the Sucumbíos Province and in the Aguarico Canton in the Orellana Province.

The Cyclades are an island group in the Aegean Sea, southeast of mainland Greece and a former administrative prefecture of Greece. They are one of the island groups which constitute the Aegean archipelago.

The Czech Republic, also called by its short-form name, Czechia, is a landlocked country in Central Europe bordered by Austria, Germany, Poland and Slovakia.