What started as a carefree afternoon beneath a stunning Utah waterfall turned into a near-tragedy when massive rocks suddenly crashed into the water — just inches from two children playing. Caught on camera, the dramatic rockfall at Lower Calf Creek has prompted officials to urge caution, as falling rocks can strike without warning, even far from the cliff face.
Check out this incredible roll cloud spotted off the coast of Portugal on Sunday. Roll clouds are most common with thunderstorms, but can also form when cooler air over the ocean sweeps under hot air over land, forming these rolling-pin-like cloud features. The country set a preliminary June record with jaw-dropping temperatures near 116 degrees.