Tower of Terror

The Zuul Tower, nicknamed the Tower of Terror by South City's residents, was haunted tower of unknown origins, seen only once. The tower was named after Muffin Zuul, who died in the building and was said to haunt the place. Currently, the building is destroyed

History
The tower's exact origins are unknown, but what is confirmed is that Muffin Zuul died in the building and is said to haunt the place.

Season 1
The tower is the main setting in "The Halloween Thing". On Halloween night, Jasper and Mason decide to in the Forest of Death. Keiichi and the gang agree and they find the tower. Soon, they are hit with crazy events that are caused by the building. Eventually, the place begins to rumble and the tower collapses. It is revealed that while demolition workers were primarily the cause for the noises and some strange events, the tower was indeed haunted by ghosts.