Arizona’s violent volcanic history, coupled with the Colorado River’s millennia of cutting and churning through the earth’s crust, have left a lot of cool-looking rocks and minerals strewn throughout ...

A bronze cannon, also known as a wall gun, discovered in Arizona is one that researchers believe to be the "oldest firearm ...

While the Grand Canyon may be the crown jewel of America’s natural wonders, these lookalikes remind us that grandeur is not confined to the famous.