Turibus covers nearly all of Mexico City with popular double-decker sight-seeing tours and hop-on, hop-off service.
The routes linked below cover very nearly all of central Mexico City. Click on any of the bus stops to see all the surrounding attractions. Many of the stops are attractions in and of themselves.
You can see and do every route in a single day. You can even purchase multiple day passes to see everything over the course of a few days.