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