The rock formation you see in the video that looks like three people standing next to each other is called “The Three Sisters.” It’s located in in Utah’s Goblin Valley State Park.
The Three Sisters are a type of rock formation called “hoodoos.” Goblin Valley State Park is famous for its thousands of Hoodoos, referred to locally as “goblins“.
Utah has many National and State Parks with incredible and famous rock formations. These are just a few.
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More on hoodoos:
In Geology, a Hoodoo is a rock formation with a variable thickness; it often has a “totem pole-shaped” body and/or a mushroom shaped head at the top of it. These rocks can somewhat resemble humanoid creatures. They can reach as high as several meters. These Hoodoos are also in Goblin Valley State Park.
If the rock formation looks more like a simple tower, it is called a Pinnacle or a Spire. The Totem Pole Spire (above) is a famous rock formation in Navajo County, Arizona in the Monument Valley Navajo Tribal Park.
Monument Valley Navajo Tribal Park is located in the Navajo Nation reservation on the border of Arizona and Utah and is the equivalent of a National Park. “Combined with the surrounding mesas, buttes, and desert environment, it truly is one of the natural wonders of the world. Set aside by the Navajo Tribal Council in 1958, the park covers almost 92,000 acres in northern Arizona and southern Utah.” (source)
The Monument Valley Navajo Tribal Park is located in the Four Corners area of the United States.
Navajo Nation Parks & Recreation Department
Phone: (928) 871-6647
Fax: (928) 871-6637
P.O. Box 22520
Window Rock, AZ 86515
Monument Valley Navajo Tribal Park
Phone: (435) 727-5870
Fax: (435) 727-5875
P.O. Box 360289
Oljato- Monument Valley, UT 84536