These 9 museums in Mexico City have free entry BUT only on Sundays, and for everyone, not just for locals or foreigners with residency permits.
1. Museo del Palacio de Bellas Artes
Location: Av. Juarez S/N, Centro Histórico de la Cdad. de México, Centro, Cuauhtémoc, 06050 Ciudad de México, CDMX
Opening hours: Tuesday to Sunday: 10:00 a.m. to 6:00 p.m

Photo: Facebook Museum of the Palace of Fine Arts
2. Museo de Arte Popular
Location: Revillagigedo 11, Colonia Centro, Centro, Cuauhtémoc, 06050 Cuauhtémoc, CDMX
Opening hours: Tuesday to Sunday – 10:00 a.m. to 6:00 p.m.
3. Museo de Arte Moderno
Location: Chapultepec Park, Miguel Hidalgo, 11580 Ciudad de México, CDMX
Opening hours: Tuesday to Sunday: 10:15 a.m. to 5:45 p.m.

4. Diego Rivera Mural Museum
The Diego Rivera Mural Museum is the place to go to see Rivera’s most famous work, the Dream of a Sunday Afternoon in the Alameda Central.
Location: Calle Colón Balderas s/n, Colonia Centro, Cuauhtémoc, 06040 Ciudad de México, CDMX
Opening hours: Tuesday to Sunday: 10:00 a.m. to 6:00 p.m.

5. Colegio de San Ildefonso
The Colegio de San Ildefonso showcases the works of some of Mexico’s most prominent and influential artists and muralists of the 20th century.
Location: Justo Sierra 16, Centro Histórico de la Cdad. de México, Centro, 06020 Ciudad de México, CDMX
Opening hours: Tuesday to Sunday: 11 a.m. to 5:30 p.m.

6. Museo Casa Estudio Diego Rivera y Frida Kahlo
The Museo Casa Estudio Diego Rivera y Frida Kahlo, where Rivera and Kahlo lived and worked in one of Latin America’s first functionalist architectural structures, designed by Juan O’Gorman.
Location: Diego Rivera s/n, San Ángel Inn, Álvaro Obregón, 01060 Ciudad de México, CDMX
Opening hours: Tuesday to Sunday: 10:00 a.m. to 6:00 p.m.

7. Museo Nacional de San Carlos
Location: Av. México-Tenochtitlán 50, Tabacalera, Cuauhtémoc, 06030 Ciudad de México, CDMX
Opening hours: Tuesday to Sunday: 10:00 a.m. to 6:00 p.m.
8. Museo Tamayo
Location: Av. P.º de la Reforma 51, Polanco, Bosque de Chapultepec, Miguel Hidalgo, 11580 Ciudad de México, CDMX
Opening hours: Tuesday to Sunday: 10:00 a.m. to 6 p.m.

9. Laboratorio Arte Alameda
Location: Calle Dr Mora 7, Colonia Centro, Centro, Cuauhtémoc, 06050 Ciudad de México, CDMX
Opening hours: Tuesday to Sunday: 9:00 a.m. to 5:00 p.m.