The Dimmsdale Dimmadome

The Dimmsdale Dimmadome is a sports complex that was owned by Doug Dimmadome, but was destroyed in Epic Chat 2 because of The Mega Creeper.

Epic Chat 2
Mario was being targeted by the The Mega Creeper, but Greg Luigi was able to save him. However at the cost of The Mega Creeper destroying the Dimmadome. Prior to it's destruction, it was a sports complex.