Quote from isaiahcxcx
A random Pokemon
The word "Bewbz" (make sure it's made of flaming nethrack)
MC grass block
Anything you feel like even if it's stupid. Hey, isn't that the point?
Snow castle in snow biome (weather ftw)
A large wooden structure to be set on fire at a later date
A Notch alter/temple made of legit materials such as gold and diamond blocks.
Some sort of famous thing that most people will recognize (statue of liberty, big ben, iffel tower [spelling fail, sorry to the French minecrafters]).
I did that wound up burning down nearly an entire forest and myself twice while trying to put it out. Was fun.