We finally know how a fault that gave rise to Denali, North America's highest mountain, first formed ... the rock hosting it ...

Be sure to check out the Hidden Lake Nature Trail, one of the best hikes in Glacier for wildlife viewing. Just under 3 miles ...

Shonke village is a 900-year-old settlement on the top of a mountain in Ethiopia's Amhara ... Hafiza and Manahel film as their home city comes under fire in Sudan's civil war.