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21 films
A female mountain lion and her eight-month-old cub search for food in the Grand Canyon, a chasm 277 miles long.
Allison Redmond was bitten by a rattlesnake in the Grand Canyon, an incident that nearly cost her life during a father-daughter hiking trip.
Five million visitors come to Grand Canyon National Park each year to experience its mile-deep gorge and diverse ecosystems.
Since the early 1960s, scientists have attempted 46 missions to Mars, with over half failing at launch or upon arrival.
A 14-foot-long fish once swam in what is now Kansas, revealing a time when much of the Midwest was underwater.
Five Boy Scouts and their leaders face a life-threatening situation in the Grand Canyon as a heatwave depletes their water supply during a challenging hike.
Hoover Dam, built between 1931 and 1936, stands as a monumental engineering feat that transformed water management in the American Southwest.
128 passengers and crew died in the 1956 plane crash at the Grand Canyon, leaving wreckage and debris that still litter the site today.
A 750-mile hike through the Grand Canyon tested the limits of explorers Kevin Fedarko and Pete McBride, pushing them to the brink of exhaustion.
Richard Bellman, a mathematician who invented dynamic programming, held professorships in mathematics, medicine, and electrical engineering.
Evel Knievel attempts to break his own world record by jumping 19 cars, declaring that nothing is impossible and fear is not in his vocabulary.
Aerial views of Arizona showcase the Grand Canyon, Monument Valley, deserts, forests, and unique landforms, highlighting the state's diverse landscapes.
In the American Southwest, landscapes such as the Grand Canyon, Arches, and Monument Valley showcase the region's natural beauty and geological wonders.
277 miles long and more than a mile deep, the Grand Canyon is so vast that it can be seen from space.
In 1956, two commercial flights operated under the 'See and Be Seen' rule, relying on visual observation to avoid collisions in the skies.
500 miles remain in a challenging hike through the Grand Canyon as winter conditions threaten food supplies and safety.
A 60-day hike through the Grand Canyon covered over 650 miles, where water scarcity posed a daily challenge for the trekkers.
A 750-mile hike through the Grand Canyon nearly forced explorers Kevin Fedarko and Pete McBride to abandon their mission within the first week.
A 3,500-foot climb along the Walter Powell Trail tests the limits of hikers Kevin Fedarko and Pete McBride in the Grand Canyon's rugged terrain.
Two team members must remain handcuffed together for 24 hours while facing various challenges, including a heated argument over showering.
Jim Enote has planted seeds in Zuni, New Mexico, for 60 consecutive years, connecting his farming practices to the creation of culturally significant maps.
