This former welder has a unique hobby. He builds crazy-tall bikes. His first one, built back in the 1980's, stood over 6-feet tall. His latest creation tops out at 18 feet. And he's planning a new one that will reach three or four stories high. And while we wait for that project, he's waiting for the the people of Guinness to certify his latest bike as "World's Tallest." Some guy in Canada apparently still owns the record. Click here to read more.