Facade with mural of Carles Arola Vera on Placa dels Sedassos, Tarragona, Catalonia, Spain

Tabernas, Almería, Andalusia, Spain

Murals, Polyphemus, a cyclops, Acit Tezza, Catania, Sicily, Italy, Mediterranean, Europe

Mural painting at the crossing of Bowling Green and Abbeygate Street Upper, Galway, Connemara, County Galway, Connacht, Republic of Ireland

Mural painting, by Ateliers Adeline, on a water tower at Blevy, Natural region of Thymerais, department of Eure-et-Loir, Centre-Val de Loire region, France, Europe

Legacy, Mural by Josh Sarantitis, sponsored by Lincoln Financial Foundation, Mural Arts Program, 707 Chesnut Street, Philadelphia, Commonwealth of Pennsylvania, United States of America, North America

New Street W, Galway, Connemara, County Galway, Connacht, Republic of Ireland

View of colourful architecture at Nagaa Suhayl Gharb on the Nile river near Aswan, Aswan, Nubia, Egypt, North Africa, Africa

Mural painting at the crossing of Bowling Green and Abbeygate Street Upper, Galway, Connemara, County Galway, Connacht, Republic of Ireland

Mural painting by Blanco, Graffiti Park, East Downtown Houston, Texas, United States of America

Murals by Blanco, East Downtown Houston, Houston, Texas, United States of America

Images, Graffiti, Street Scene, Havana Old Town, Havana, Cuba

Mural paintings, by Jose Maria Sert, in the church of the former Dominican convent housing the San Telmo Museum, San Sebastian, Bay of Biscay, province of Gipuzkoa, Basque Country, Spain, Europe

Mural painting, Graffiti Park, in East Downtown Houston, Houston, Texas, United States of America

Mural painting by Artkungfu, Graffiti Park, East Downtown Houston, Texas, United States of America

Mural Houston Is Inspired by artist Gonzo, downtown Houston, Texas, United States of America

Sky of Salamanca, Fernando Gallego, 1440-1507, University of Salamanca, Salamanca, UNESCO World Heritage Site, Castile and Leon, Spain, Europe