What this section is. The complete listing of places in Mexico City covered by this site — museums, parks, monuments, churches, markets, theatres, viewpoints, sports venues, shopping centres, bars and restaurants, across all sixteen boroughs.
How to approach a city this size. The catalogue is deliberately exhaustive, which makes it useful for finding something specific and useless as an itinerary. The working method is the opposite of browsing: decide which borough you are in on a given day, then look at what is in it.
The four that hold most of the circuit. Cuauhtémoc — the historic centre, Roma, Condesa, Juárez and the Zona Rosa. Miguel Hidalgo — Chapultepec, Polanco and the major museums. Coyoacán — the colonial centre, the Frida Kahlo Museum, the Viveros. Álvaro Obregón — San Ángel and its Saturday bazaar. Then Xochimilco for the canals, Gustavo A. Madero for the Basilica and Tlalpan for the Ajusco.
Rules that apply everywhere. Museums close on Mondays and are free on Sundays for residents — so Sunday is the most crowded day of the week. Lunch is at 14:00. The Metro beats a car on almost any journey. And at 2,240 metres, two major sights in a day is a realistic target, not three.