Isaiah Zagar is a Philadelphia artist known for his mosaic murals. Mosaic art involves arranging small tiles or pieces of material to form images and dates back 4000 years. Zagar opened an art gallery where he created his first mosaic to attract customers, then began buying abandoned properties on the street to make more murals. His largest work is Philadelphia's Magic Gardens, built as a magical sanctuary filled with his mosaic art, where he has completed over 130 murals.