Photo: Comisión Mexicana de Filmaciones from México D. F., México, CC BY-SA 2.0 Free historic sites in Mexico City
Photo: Comisión Mexicana de Filmaciones from México D. F., México, CC BY-SA 2.0 
Photo: DavidGomezChiu, CC BY-SA 3.0 Coyoacán
Free, always
Photo: Dirk Ingo Franke, CC BY-SA 4.0 National Palace murals
Free at certain times
Photo: Xavier Quetzalcoatl Contreras Castillo, CC BY-SA 3.0 Palacio de Bellas Artes
Free outside, paid inside
Photo: ProtoplasmaKid , CC BY-SA 4.0 Alameda Central
Free, always
Photo: Own work, CC BY-SA 4.0 Avenida Madero
Free, always
Photo: Thomas Ledl, CC BY-SA 4.0 Casa de los Azulejos
Free, always
Photo: Dead.rabbit, CC BY-SA 4.0 UNAM campus murals
Free, always
Photo: ismael villafranco, CC BY 2.0 Monumento a la Revolución
Free outside, paid inside
Photo: JEDIKNIGHT1970, CC BY 2.5 Plaza Garibaldi
Free, always
Photo: Jake Galán, CC BY-SA 3.0 Colonia Roma
Free, alwaysAvenida Ámsterdam
Free, alwaysKiosco Morisco
Free, alwaysPlaza Santo Domingo
Free, always
Photo: Luis Alvaz, CC BY-SA 4.0 Barrio Chino
Free, always
Photo: ProtoplasmaKid, CC BY-SA 4.0 Palacio Postal
Free, alwaysPlaza de las Tres Culturas
Free, always
Photo: Carlos Valenzuela, CC BY-SA 4.0