Pablo Picasso's "Guernica" is a powerful anti-war mural that depicts the horrors of the Spanish Civil War.

Diego Rivera's "The History of Mexico" is a massive mural that depicts the history of Mexico from pre-Columbian times to the 20th century.

Leonardo da Vinci's "Mona Lisa" is one of the most famous paintings in the world and is not a mural.

Judith Baca's "The Great Wall of Los Angeles" is a half-mile-long mural that depicts the history of California from the arrival of the Spanish to the present day.

Leonardo da Vinci's "The Last Supper" is one of the most famous murals in the world and depicts the final meal of Jesus with his disciples.

Keith Haring's "Crack is Wack" is a mural that was created to raise awareness about the dangers of crack cocaine.

Michelangelo's "The Creation of Adam" is one of the most famous murals in the world and depicts God creating Adam.

Dmitri Vrubel's "My God, Help Me to Survive This Deadly Love" is a mural that depicts Leonid Brezhnev and Erich Honecker kissing.

Vincent van Gogh's "The Starry Night" is one of the most famous paintings in the world and is not a mural.

Eduardo Kobra's "Etnias" is a mural that depicts people from different ethnic groups around the world.

Salvador Dalí's "The Persistence of Memory" is one of the most famous paintings in the world and is not a mural.

Danny Grehan's "Peace Wall" is a mural that depicts people from different backgrounds coming together in peace.

Edward Hopper's "Nighthawks" is one of the most famous paintings in the world and is not a mural.

Banksy's "Flower Thrower" is a mural that depicts a masked figure throwing a bouquet of flowers.

Edvard Munch's "The Scream" is one of the most famous paintings in the world and is not a mural.