Disney tried to teach us at a young age at the "circle of life" with nature is often times hard to see, but witnessing it firsthand in the wild is still shocking.
Generally speaking, it's always a good idea to keep your distance from wildlife. This is especially true of elk who this time of year are particularly feisty. One big elk in Colorado recently proved that point by challenging all of the vehicles everywhere.
It doesn't get much more iconic Wyoming than this. A large elk herd described as "a beautiful train" was spotted crossing a road in Grand Teton National Park.