Nightlife in Medellín – Make sure you get to Son Havana for salsa night! They’ve got free salsa lessons on Wednesdays for an hour before the bar opens and you can spend the rest of the evening salsaing away with people of all levels!
The Lost City Trek: A huge reason travelers come up to Santa Marta and the big trek of Colombia is La Ciudad Perdida Trek. My budget only allowed for a few big treks in South America and this one didn’t make the cut. It is a tough one with a lot of heat and mosquitos but many say it’s incredible!