It may sound unsanitary, but the Toilet Bowl Swimming Hole is one of the most visited spots in Hanauma Bay, in Oahu, Hawaii. The hole is basically a rock filled with water that has certain forces that make the water move like it is a toilet bowl being flushed.

The Toilet Bowl Swimming Hole is actually a natural spa tub. The water rises and falls with the tide, so when the water is high, it can be quite dangerous and can cause fatal accidents. It is also advised to check with the management first, before visiting the area, as sometimes it?s closed for different reasons.

To get to the Toilet Bowl Swimming Hole, visitors would need to take the trail.