If you're new to Wyoming and/or have never been to Yellowstone National Park, there is a lake there that sings. It's true and we have proof. Until now the reason why has been a mystery, but a new theory may explain this phenomena once and for all.
Trying to get closer to bison is dangerous for many reasons. It's obvious these are large animals, but they're also wildly unpredictable. Yellowstone tourists learned this lesson the hard way a few weeks ago.