June 17, 2009 12:28 pm Gravity Hill What goes up must not always come down? Rumors have it that there exists a “Gravity Hill’ in Washington state where cars roll uphill. US & World Videos 0:55 Toddler airlifted to hospital after shooting incident in Homestead 1:54 Video shows scene after driver hit, killed bicyclist while fleeing deputies in Pompano Beach 0:46 10 people shot outside Seminole County bar, teen arrested: Sheriff's Office 8:39 Gina Rodriguez gushes 0ver motherhood with son Charlie 2:22 Scarlett Johansson and Colin Jost have date night at White House Correspondents' dinner