Photos: Top 10 World’s Craziest Bathrooms

4) Vertical Bathroom

This bathroom design can be installed pretty much anywhere that someone needs to save space. It has been referred to as the “Swiss army knife” bathroom.

3) Pop-Up Toilet

This toilet is located in various cities, and is an effort to reduce drunken public urination. It pops up around 10pm and then goes back down around 3am each day.