El Salvador

The Apaneca-Ilamatepec Biosphere Reserve contains both the oldest volcano in the Central Volcanic Chain, Caldera de Coatepeque as well as a more recent formation, Izalco, a stratovolcano. The reserve hosts important ecosystems for conservation of species and has highly diverse habitats.

Joya de Cerén was a pre-Hispanic farming community that, like Pompeii and Herculaneum in Italy, was buried under an eruption of the Laguna Caldera volcano c. AD 600. Because of the exceptional condition of the remains, they provide an insight into the daily lives of the Central American populations who worked the land at that time.

Mesoamerica, which literally means "middle America" in Greek, is a historical and cultural region in North America. It extends from approximately central Mexico through Belize, Guatemala, El Salvador, Honduras, Nicaragua, and northern Costa Rica.

The Sierra Madre is a mountain system that is part of the American Cordillera, a chain of mountain ranges (cordillera) that consists of an almost continuous sequence of ranges. These mountain ranges form the western 'backbone' of North America, Central America, South America and West Antarctica.