Fill that day off with a trip from Redding to these destinations for outdoor enthusiasts, science geeks, theater lovers and ...

We ventured into the biggest river cave we’ve ever seen - and the scale was unbelievable. In this video, we follow the flowing water deep underground, navigate massive chambers, and take in the raw ...

They start together in little clumps, while guides assess how their people are doing ... I went on Monday (arriving at Emerald Cave about noon), so there were no jet skis or sleek motorboats blaring ...

Many visitors expect to see stalactites and stalagmites galore in Mammoth Cave but are surprised when they don't see many of them. In some areas, caprock layers of sandstone and shale block surface ...