10 Strangest Worlds In Star Trek

There are worlds in the Milky Way Galaxy that contain such wonders as the mortal mind could hope to possess, but there were few like the one first encountered in Shore Leave. This world was a simple playground, ready to offer its guests their hearts' desires. The only limit was their own imagination.

The now-iconic image of the White Rabbit may have struck McCoy as a little odd, but when one considers just how far down the rabbit hole this planet could have gone, he should count himself lucky, fake-out death included. In 2266, it was a relatively harmless world. Injuries could be easily repaired, and the Keeper assured his new guests that they were welcome to remain.

However, by 2269, the Keeper had passed away, and the planet began to take on a new life and new purpose. The Enterprise returned in Once Upon A Planet, ready to engage in more relaxation, but found instead a bitter and angry central computer system. 

This system, rather than replicating its guests' desires, instead decided to play games with them. These games included screaming dragon-like things in the sky, as well as kidnapping Uhura. Thankfully, they kidnapped the one person who could communicate best with them, and they eventually conceded, allowing crews to return. 

It was effectively a giant holodeck. And they have never, ever broken in Star Trek, so really, where's the harm?