According to the Museum of Emerging Science and Innovation:
Turning our attention to the world, we see the fact that about 2.5 billion people in the world are unable to use toilets and many children lose their lives due to lack of sanitation. A pleasant egestion experience involves human dignity and a person's ideal toilet differs according to age, culture, and their living environment.
Before it was converted, the St. Louis City Museum was a shoe factory. Pairs of kicks would get tossed down this massive slide during production and distribution. Would you be brave enough to ride it yourself?