Every week, Pictured Rocks rangers take visitors on a free, guided hike to unspool some of the “tapestry of geological layers ...

At Crater of Diamonds State Park in Arkansas, you may just find a diamond in the rough. Crater of Diamonds State Park in ...

The formation of Heart Mountain near Cody is a story of a block of rock the size of Rhode Island moving at 700 mph, an ...

Groundwater remains a critical resource for Arkansas, with approximately 71% of the state's water use sourced from aquifers, ...

Do you think you know everything about the good ol' U.S. of A.? These fascinating U.S. geography facts are guaranteed to blow ...