This picture, taken in Grand Teton NP, is one of my best pictures in the trip.

Wolf just crossed road.
We also saw a black bear with her two 2-month old cubs. I wish I had an advanced camera at that time.
Remember to bring a powerful binocular in your trip.

Deers on grass lawn 

Those people have faith in Old Faithful saw its eruption around 1:00pm

Old Faithful Eruption around 11:35AM

Hot Spring - Geyser 

Bubbling Mud 

Bisons going home on Paved Road 

Upper Yellowstone Fall

Lower Yellowstone Fall

Petrified Tree 

Mammoth Hot Spring Area. Amzing colors.

Mammoth Hot Spring Area - Canary Spring