A massive chunk of a twisting mountain highway collapsed Saturday as crews tried to repair damage from a previous landslide. Watch the stunning drone video of the damage and learn why this Wyoming highway is called a “lifeline.”

A shift in the upper-level pattern will allow summer heat to spread into parts of the Midwest, South and East. Storms will temper the heat in some areas.

Witnesses were stunned as a massive sinkhole swallowed a significant stretch of the sand.

A stretch of Florida Panhandle beach was closed Friday after three people were bitten by sharks.

When a driver went over an embankment and crashed into a ravine, one of his four dogs helped save his life by running to get help. Watch the video to see how this incredible rescue unfolded.