Yellowstone NP in September means low crowds and perfect weather. We discovered it was a great time to see herds of bison and experience the tale-end of the rut. Here’s what we saw and learned while there.

Many travelers zip through Grand Teton National Park on their way to Yellowstone, treating it like a scenic appetizer before the “main course.” But this Wyoming gem is breathtaking and worth more than a drive-through experience.