Twice a year, the Superstition Mountains in Arizona are home to a natural phenomenon, the famous “cougar shadow.”

A trail cam in Murrysville, Pennsylvania captured a rare fisher, a weasel-like carnivore, earlier this summer. See it here.

A Red Bull-sponsored adventure had a whitewater kayaker attempting the Terminator rapid in gnarly conditions. Watch if you dare.

Macro photos of tiny creatures show mind-blowing details, proving most of us don’t actually know what these things really look like.