Caño Cristales (Colombia) The river appears in many hues–including yellow, green, blue, black, and especially red–which are caused by the Macarenia clavigera (Podostemaceae) at the bottom of the river.
(ancient helipads) The pre-Columbian archaeological site of Ciudad Perdida (Spanish for “Lost City”), located in Sierra Nevada, Colombia, thought to be founded about 800 AD. Photo courtesy taken by Raphael Chay
The National Park Cocuy is located in the Andes mountains. Due to its location in high altitudes but close to the equator, the park is heavily influenced by glaciers and their movements. It is especially an attraction to rock climbers of all levels.