GRAND CANYON EXPERIENCE THE Grand Canyon South Rim Ever since the Grand Canyon was designated a national park in 1919, the National Park Service has been preserving the culture, history and natural beauty of this immortal destination, as well as welcoming generations of visitors to experience its wonder. 6 VISITARIZONA.COM XANTERRA TRAVEL COLLECTION Vast, magnificent and inarguably beautiful, the Grand Canyon is easily Arizona’s most distinguishable landmark and is considered one of the Seven Natural Wonders of the World. At 277 miles long, as much as 18 miles wide and a full mile deep, the Grand Canyon is the second-largest canyon in the world. Its colorful walls contain rock layers — the oldest of those layers being 1.8 billion years old — that reveal a timeline of Earth’s history. Its dramatic beauty and staggering magnitude have astounded centuries of ancient civilizations, early explorers, scientists, artists and, today, nearly 5 million annual visitors.