Deep within the passageways that twist and turn at Mammoth Cave National Park the acoustics can be incredible. There is no background noise other than the shuffling feet, soft voices of visitors, and, in some passages, the running or dripping of water....

The state of Wyoming, as expected, has gone to federal court in a bid to boost daily snowmobile numbers in Yellowstone National Park to 720. read more

As a recent court case illustrates, people convicted of poaching animals in national parks face stiff penalties. Two North Carolina men who pleaded guilty to killing a bear on the Blue Ridge Parkway were given prison time to reflect on the error of...

The day after Thanksgiving is traditionally a big day for shopping, so it may come as a surprise that's it's also the busiest day of the year for at least one NPS area. If you plan to visit the Gateway Arch in St. Louis this coming weekend, here's some...

If you thought round gobies and zebra mussels were scary invaders of the Great Lakes, brace yourself for the arrival of Asian carp, a voracious fish that could decimate the lakes' native fisheries. read more