A mine safety expert says many old mines in Western Pennsylvania have less than 50 feet of ground cover between the mine and ...

Supermom Jessica Human transforms a northwest Georgia trailhead into a welcoming haven for trail crews and inspired kids ...

This is the best time of year to try challenging L.A. hikes, while it's cool out. Not only will they offer some great views ...

Watch daredevil cyclists race through an underground parking garage, see films from around the world or dig through thousands of records at 9:30 Club.