Photo: Roberto Fiadone, CC BY-SA 3.0 Free landmarks in Buenos Aires
Photo: Roberto Fiadone, CC BY-SA 3.0 
Photo: ProtoplasmaKid, CC BY-SA 4.0 Plaza de Mayo
Free, alwaysFloralis Genérica
Free, always
Photo: Lars Curfs (Grashoofd), CC BY-SA 3.0 nl Casa Rosada
Free at certain times
Photo: Rodrigo Paredes from Ciudad Autónoma de Buenos Aires, Argentina, CC BY 2.0 Obelisco and Avenida 9 de Julio
Free, always
Photo: Phillip Capper from Wellington, New Zealand, CC BY 2.0 Puerto Madero and Puente de la Mujer
Free, always
Photo: Taken by the uploader, w:es:Usuario:Barcex, CC BY-SA 3.0 Plaza Dorrego
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Photo: Unknown authorUnknown author, CC BY 2.5 ar Usina del Arte
Free, always
Photo: EEJCC, CC0 Teatro Colón exterior
Free outside, paid inside
Photo: Eugenio Hansen, OFS, CC BY-SA 4.0 Palacio Barolo exterior
Free outside, paid inside
Photo: Jacobo Tarrío, CC BY 2.0 Plaza del Congreso
Free outside, paid inside
Photo: Silvinarossello, CC BY-SA 3.0 Galerías Pacífico murals
Free, alwaysPalacio de Aguas Corrientes exterior
Free outside, paid inside
Photo: ProtoplasmaKid, CC BY-SA 4.0