Ecuador
Ecuador's capital is Quito, which is in the province of Pichincha in the Sierra region. Its largest city is Guayaquil, in the Guayas Province. Cotopaxi, just south of Quito, is one of the world's highest active volcanoes. The top of Mount Chimborazo (6,268 m, or 20,560 ft, above sea level), Ecuador's tallest mountain, is the most distant point from the center of the Earth on the Earth's surface because of the ellipsoid shape of the planet.
Tulcán
Tulcán () is the capital of the province of Carchi in Ecuador and the seat of Tulcán Canton. The population of the city of Tulcán was 47,359 in the 2001 cenesus and 53,558 in the 2010 census. Tulcán is known for its hot springs, deep wells, 3-acre topiary garden cemetery, the most elaborate topiary in the New World, created with "Cupressus sempervirens" by José Maria Azael Franco in 1936. The city is the highest in Ecuador, at above sea level.