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These urinals are located in the Horace M. Albright visitor center in the Mammoth Hot Springs area of the park.
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A close-up of one of the above urinals.
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This urinal is located in the Terrace Grill Restaurant in the Mammoth Hot Springs area.
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This urinal can be found in one of the many bathrooms at the Madison campground.
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These popular urinals are located in the Old Faithful visitor center.
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The Old Faithful Snow Lodge is a hotel and a restaurant near the Old Faithful geiser.
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These urinals can be found at the Tower Falls overlook restroom.