Photo: Comisión Mexicana de Filmaciones from México D. F., México, CC BY-SA 2.0 Free landmarks in Mexico City
Photo: Comisión Mexicana de Filmaciones from México D. F., México, CC BY-SA 2.0 
Photo: Ulisesmorales, CC BY-SA 3.0 Metropolitan Cathedral
Free, always
Photo: Xavier Quetzalcoatl Contreras Castillo, CC BY-SA 3.0 Palacio de Bellas Artes
Free outside, paid inside
Photo: Thomas Ledl, CC BY-SA 4.0 Casa de los Azulejos
Free, always
Photo: Arne Müseler, CC BY-SA 3.0 de Basilica of Our Lady of Guadalupe
Free, always
Photo: Omar_sansi, CC BY-SA 4.0 Biblioteca Vasconcelos
Free, always
Photo: ismael villafranco, CC BY 2.0 Monumento a la Revolución
Free outside, paid inside
Photo: Fernando Flores , CC BY-SA 2.0 Paseo de la Reforma Sunday ride
Free at certain times
Photo: JEDIKNIGHT1970, CC BY 2.5 Plaza Garibaldi
Free, alwaysKiosco Morisco
Free, alwaysPlaza Santo Domingo
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