Missouri is home to thousands of caves, but this one in the Ozarks stands out among the rest. It dates back to the Ice Age ...

I dropped back into a mysterious sinkhole cave I nicknamed “Leg Bone Cave”—because there are bones on the way down (not human). The goal was to get past a big rock choke point where I can see the ...

Many travelers like to seek out and conquer high points, like Willis Tower in Chicago, the highest observation deck in America, or America's tallest mountain. But why go high when you could go low ...