The clip after the break shows a gentleman pouring water into the waterfall where the wheel is ... and the put together a three-dimensional diagram showing how he would build the apparatus.

The Denmark Strait cataract is an undersea overflow in the ocean channel between Iceland and Greenland, but while it may not be possible to go and visit it like other waterfalls, it certainly has ...

The Denmark Strait cataract is a waterfall that plunges around 11,500 feet and carries around 175 million cubic feet. At 6,600 feet tall, it is double the height of Angel Falls in Venezuela ...