Labels:dialog box | mountain OCR: Largest Canyon ir th: PHOM About th: Grand Canyon Every year the Grand Canyon draws visitors from many nations Carved the Colora do River over millions f years, the largest and most 'impressi vE canyon in the world Tt is up to 18 miles (29 km) wide, about 27 miles (446 km) long and mile deep The deepest and most beautiful areas of the canyon ire ta be found in the park, which was established in 1919 The Grand Canyon wasn't fully exp until the mid 1800s. Word Canvon Dvrr abaut canyan ablished explored