No.
Wathctower & Awake
According to the Guinness Book of World records website, there is no such recording as the Worlds Biggest Toilet.
If you mean the most circulated book, that would probably be the Bible - the holy book of the Christians.
The Catholic Church is the biggest charity in the worlds.
The Amazon is the worlds biggest rain forest
the worlds biggest yoyo is about the size of a hobo
in the worlds biggest and richest gem museum
The worlds biggest island is clearly Green Land its PNG
the worlds biggest volcano is Mauna Lao is in Hawaii
The worlds biggest selling drink is both Milk and water.
The worlds biggest tin sheep here