Competitive travelers: The people who've been everywhere

By Pam Grout, for CNNUpdated 18th September 2013
Klaus Billep (far right) at the Berlin Wall. Impressed?
Klaus Billep (far right) at the Berlin Wall. Impressed?
courtesy klaus Billep
Charles Veley on Southern Thule. Go ahead and Google it; we had to.
Charles Veley on Southern Thule. Go ahead and Google it; we had to.
courtesy charles veley