This is what a 21-foot-tall Hummer looks like, the largest in the world that has a sink and a toilet.

A monstrous Hummer H1 has been spotted roaming the streets of the United Arab Emirates. The gigantic Hummer H1, built by the UAE billionaire sheikh, has four engines and even a bathroom inside, but is no longer allowed to be driven on the streets.

Big trucks are all the rage these days, but most of them are just raised versions of regular trucks and SUVs. And while installing a simple lift kit can be tricky, it's a breeze compared to building a larger replica that's more than three times the actual size.

Giant but forbidden Hummer

A very wealthy man in the United Arab Emirates commissioned a giant Hummer H1, which was filmed on the roads of the UAE this week, utterly imposing in normal traffic.

The oversized monster was taken to the United Arab Emirates SUV History Museum, located in the city of Sharjah. The museum is owned by Sheikh Hamad bin Hamdan Al Nahyan, a billionaire member of the Emirates royal family and holder of the Guinness World Record for the largest collection of four-wheel drive vehicles - 4 trucks. He is also known as the Rainbow Sheik and, believe it or not, this is not his first full-size car. There is also a giant Willys Jeep parked outside another museum he owns, the Emirates National Automobile Museum in Abu Dhabi.

Giant Hummer runs on four engines

The Sheik's Instagram account shared several images and videos of the truck this week, showing the scale of the project, as well as its incredible attention to detail. (I must say that his Instagram is a real goldmine of off-road esotericism in general. It has some really wild stuff in it.) At over 21 feet tall, almost 46 feet long and 20 feet wide, it's basically a real canyoner. It is also said to be powered by four separate diesel engines, one for each wheel.

There is a sink and toilet inside.

The cabin of the huge Hummer is finished like the interior of a house and is tall enough to stand inside. It appears to be powered from the lower level, where the motors and other mechanical components are located, or from the back of the upper level. Interestingly, it also has some kind of plumbing. A short video tour of the interior shows the sink and toilet on the lower level. However, the toilet is not closed by a door or anything, so I hope you will not be embarrassed.

In any case, even though it's heading to a museum, I think we all want to see more of this car as it clearly has some off-road potential at over 21 feet tall.

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