Not just any off-road vehicle, the Chevrolet Colorado ZH2 is touted as the "most extreme off-road-capable fuel-cell-powered electric vehicle ever from General Motors," as it stands more than 6.5 feet tall and 7 feet wide. Reinforced inside and out, it rides on 37-inch tires and a specially modified suspension that helps the vehicle climb over and descend all manner of terrain. The U.S. Army plans on testing the Colorado ZH2 in extreme field conditions next year to determine the viability of hydrogen-powered vehicles on military missions. It features an Exportable Power Take-Off unit (EPTO) that allows the fuel cell to power activity away from the vehicle, such as remote locations where electric power may otherwise be unavailable. Click here to view the first image in today's viral picture gallery. Continue reading for the five most popular viral videos today, including one showing just how deep humans have dug in the Earth.