Buenos Aires contains a number of old neighborhoods, known as barrios. Well-known barrios can be decades or even centuries old. For instance, San Telmo is the oldest barrio in the city. It's been around since the 17th Century and features colonial architecture. Tourists will discover many churches, museums, and outdoor markets throughout the area.
The neighborhood is well-preserved and stands out from the rest of Buenos Aires. Architectural features throughout the neighborhood bring visits from around the world. For that reason, visitors should always consider checking out this barrio before the others. They'll discover a completely different world from the rest of the city.