One is its unique beauty, with the slot canyon's rocky walls seeming as if they had ... bighorn sheep, and desert tortoises. The canyon is also a favorite of scientists hoping to understand ...

From Grand Canyon Village, visitors can head east along Desert View Drive for 23 miles to find six developed canyon viewpoints, four picnic areas and five pullouts. Perched along the canyon's rim ...

Tucked away on state Route 18 is a trail where hikers meander through pinyon-juniper forest, braving rocky and sandy conditions to get to a single point — one of the ...