Wranglers taking a break during a tourist ride through parts of Yellowstone
Horses rest after carrying a group of tourists through back country to a chuck wagon dinner.
Getting ready to take tourists on an overnight horseback ride into the back country of Yellowstone
Part of the never ending stream of tourists trekking through Yellowstone and viewing its features.
A seemingly precarious wooden walkway through a geothermal feature at Yellowstone
People shooting photos and videos of the eruption of Old Faithful Geyser
A sound engineer who records audio tracks used in the film industry. Here he is capturing the bubbling sounds of a geothermal pool in Yellowstone.