Something Colombia does very well: juices.
It helps that Colombia has a lot of really tasty fruits that don't exist or are hard to find in the United States: guava, papaya, curuba, níspero, passionfruit, granadilla, mango, lulo, pineapple...to name a few.
My favorite juice stand sits on the median of one of the bigger streets in my neighborhood, a five-minute walk from my house. It's a metal, industrial-grade food cart, and every morning the man and woman who run the juice stand haul it out into the middle of the street and park it beneath a tree.
The stand is equipped with a blender (there's just one, so your juice picks up a bit of flavor from the last person's order), some hanging baskets of fruit (easy to see what flavors are available), a glass case from which they sell fried foods (because fried food and juice make the perfect breakfast), and an oil-filled fryer. There's also a styrofoam cooler for ice and milk, which they restock throughout the morning from the corner store a few yards away.
The stand is open from about 7:00 AM to 1:00 PM, and at least one morning a week, I stop by for a juice--usually curuba, a yellow, oblong fruit known as "banana passionfruit" in English. I ask the woman for a curuba juice and she whips it up right there: ice, fruit, sugar, and milk in a blender. She strains it into a giant metal cup, adds a straw, and hands it over. I sit down in one of the plastic beach chairs scattered beneath the tree, and enjoy.
The cost? 2.000 pesos, or about a dollar.
Most of the patrons at the juice stand are men on motorcycles--they drive up, park their bikes, and sit down for a fried arepa and juice for breakfast--but there are other folks too; this morning, a vegetable vendor drove up in his horse-drawn cart and stopped for a tiny cup of coffee.
I guess what I'm getting at is that my favorite juice stand is my favorite juice stand not because of the juice, but because of the experience. A lot of little details. There's something about being out in the barrio, enjoying a little mid-morning shade in the terrible heat and humidity, and sipping a fresh, icy juice that makes for the perfect environment for people-watching and people-enjoying.