As you may have heard, this year the bureau of the National Parks Service turns 100. And do you know which park was the first? Yellowstone National Park.

The over two million acres of the park span three states, Wyoming, Montana, and Idaho. They are home to bubbling hot springs, cascading waterways, and wildlife like brown and black bears, herds of bison, elk, and packs of wolves. And just south of this magnificent stretch of protected land is yet another—Grand Teton National Park with the most beautiful mountain peaks in Wyoming.

To commemorate the centennial, I took a road trip from Bozeman, Montana, to Jackson Hole, Wyoming. Along the way I journeyed through Yellowstone National Park as well as the Grand Teton National Park. And I wasn’t alone. I took my dad along for the ride too. Here are just a few of the humbling sights along the way.

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Which national park are you most yearning to visit?