Colombia's only metro, opened in 1995, running on two main elevated lines along the valley floor plus six Metrocable gondola lines climbing the hillsides. Clean, cheap, fast, and a civic point of pride — locals refer to "metro culture" with the seriousness others reserve for national institutions. A single fare gets you onto the whole network including the cable cars.
Riding the entire Line A from Niquía to La Estrella, then transferring at San Antonio to Line B and the cable cars, gives you a complete cross-section of the city in two hours.