Largest single-image puzzle

The largest single-image puzzle is the 60,000-piece What a Wonderful World, by Dowdle (USA). It has a finished size of 8 x 29 ft (2.43 x 8.83 m). The completed picture comprises 187 paintings that showcase a range of engaging images from across the globe, from India's Taj Mahal and Paris by night to the splendour of the USA's national parks.