Are you crazy enough to break into prison? These Russian urban explorers broke into one of the world's biggest prisons. <br /><br />Kresty-2 is under construction outside of St. Petersburg. It will house 4,000 prisoners once completed. But the prison doesn't appear to be all that secure. <br /><br />Besides the prison, this urban exploring group has also broken into abandoned mines, power plants, skyscrapers and government buildings. <br /><br />The group still hasn't been busted. In fact, video footage depicts them walking out a front door. <br /><br />But at this rate, the explorers may just one day need to escape from prison.
