Vanish roller coaster at Cosmo Land in Japan unexpectedly dives into an underwater tunnel.

Since the Internet emerged as a major force, altering everything from the way people work to the way they date, it has been a roller-coaster ride that made the world giddy.

Fun rides, sticky funnel cake, and your dad goading you to take a spin on the world's fastest rollercoaster - what better way to spend Father's Day than at a Six Flags theme park?