Aguardiente is an alcoholic beverage made from sugar cane. The name literally translates from Spanish to English as "firery water". This anise flavored beverage hails from Colombia. Different countries produce different versions of this beverage. You can read more about aguardiente here.
Depending on where you live you can purchase aguardiente in very well stocked liquor stores. It can also be purchased online at Liquorama.com.
A typical drink would be the Aguardiente Sour made with aguardiente, lime and orange juice, sugar and egg white.