(All pictures from google images). Large rock formation with great views and iconic stairway. Large amount of souvenirs/shops at the bottom.
Large famous, well decorated and expansive indoor mall.
One of the safest and most famous parks in Medellín, many shops and areas to eat around it. This area is probably one of the best for tourists, and more people here are likely to speak some english. (Also next to Marquee Hotel Medellín).