Age Discrepancy: While the Grand Canyon itself is estimated to be about 5 to 6 million years old, the rock layers within are up to 1.8 billion years old.
Cultural Richness: Over a dozen Native American tribes are culturally connected to the Grand Canyon, each with its own history and traditions related to the canyon.
Unique Ecosystem: The canyon supports a diverse range of ecosystems from river to rim, hosting over 1,500 plant, 450 bird, 90 mammal, and 25 reptile species.
Hidden Caves: There are about 1,000 caves within the Grand Canyon, and only 335 have been recorded. To date, fewer than 10% are thoroughly explored.
Microclimates: Weather conditions can vary drastically between the rim and the canyon floor, often differing by over 20 degrees Fahrenheit.
Skywalk: The Grand Canyon Skywalk, a horseshoe-shaped glass bridge, lets visitors walk beyond the canyon walls at 4,000 feet above the riverbed.
Supai Village: The canyon is home to the Havasupai Tribe, residing in Supai Village, the most remote community in the lower 48 states, accessible only by foot, helicopter, or mule.
Unique River System: The Colorado River, which carved the Grand Canyon, flows more than 1,450 miles and is critical for water supply in the western U.S.