Originally built in 1921, the Power Plant IM used to be one of the largest coal burning power plants in Belgium—its massive cooling tower (pictured) was able to cool down 480,000 gallons of water per minute in its heyday. But with great power comes great pollution, and this particular plant was responsible for 10 percent of the total carbon dioxide emissions in the entire country. Greenpeace protested, and the site was shut down in 2007. And while they may no longer provide any electricity, the abandoned towers still provide plenty of eerily beautiful vistas.