BE36 PLT LANDS AT WRONG ARPT.

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THIS EVENT HAPPENED ON A CAVU DAY. MY WIFE AND I FLEW VFR FROM UGN TO OSH FOR BREAKFAST AND FUEL; ROUGHLY A 45 MIN FLT. A SECOND PURPOSE WAS TO SHOW MY WIFE THE NEW SOFTWARE UPGRADE ON MY MFD THAT INCLUDED XM WX AND COMMERCIAL CHART CMAX AND HOW SHE COULD TRACK MY FLTS AND EVEN COMMUNICATE WITH ME INFLT. I EVEN MADE A COMMENT ABOUT HOW THIS (EXPENSIVE) EQUIP IMPROVED MY SITUATIONAL AWARENESS. 'HOW CAN ANYONE GET LOST' WITH DUAL VORS; GPS; AND AN MFD THAT SHOWED JUST WHERE YOU WERE AND WHERE YOU WERE GOING? ON THE WAY HOME; WE PICKED UP UGN'S ATIS WHICH WAS CALLING FOR WINDS FROM 010 DEGS AT 9 KTS; LNDG ON RWY 23; WHICH I THOUGHT STRANGE GIVEN THE WINDS. WHEN WE GOT ABOUT 25 MI OUT; WE LISTENED TO THE TWR AND FOUND THEY WERE LNDG ON RWY 5; WHICH MADE A LITTLE BETTER SENSE. AT 20 MI; I CALLED IN WITH THE ATIS INFO AND WAS TOLD TO RPT 4 MI OUT ON A STRAIGHT-IN TO RWY 14. THAT MADE MORE SENSE; AND I PICKED UP THE RWY STRAIGHT AHEAD. I ALSO HEARD THE TWR CHANGING THE ACTIVE TO SEVERAL PLANES IN THE PATTERN FROM RWY 5 TO RWY 14. SHORTLY THEREAFTER; ANOTHER PLANE RPTED BEING ABOUT THE SAME DISTANCE OUT. THE TWR TOLD HIM TO RPT 4 MI OUT ON A R BASE TO RWY 14 AND CLRED ME TO LAND. IGNORING ALL THE EQUIP ON BOARD AND FIXATING ON THE RWY IN SIGHT; I HAD MY WIFE DO A THOROUGH SCAN TO OUR R FOR THE OTHER TFC. ON A VERY SHORT FINAL; I SENSED SOMETHING WAS WRONG; THINGS DIDN'T LOOK RIGHT. JUST BEFORE TOUCHDOWN; I REALIZED I WAS LNDG ON RWY 14 AT ENW ARPT ABOUT 10 MI N OF UGN. A QUICK LOOK AROUND FOR CONFLICTING TFC SHOWED NO ONE IN THE PATTERN OR ON THE RWY; SO I LANDED AND SHEEPISHLY CALLED THE TWR. THEY GUIDED ME TO RWY 6R (THEY WERE LNDG RWY 6R AND RWY 6L) AND WAS TOLD TO CALL THEM WHEN I GOT ON THE GND AT UGN; WHICH I DID. EVERYTHING ON BOARD THE PLANE TOLD ME WHERE I WAS; BUT I DIDN'T EVEN REF THEM SINCE I HAD THE (A) RWY IN SIGHT. AFTER I CALLED THE ENW TWR; I NOTICED THAT THE CMAX HAD THE ENW ARPT ON THE MFD SCREEN! I HAVE FLOWN INTO THESE 2 ARPTS HUNDREDS OF TIMES (UGN IS HOME BASE). I HAD ALL THE EQUIP YOU COULD PUT IN MY PLANE; BUT MY FIXATION ON THE RWY AND CLRNC TO LAND SUPERSEDED EVERYTHING. I COULD HAVE USED FLT FOLLOWING WHICH WOULD HAVE PREVENTED THIS; BUT DECIDED NOT TO BURDEN THEM ON SUCH A BEAUTIFUL CLR DAY. I COULD HAVE CONTINUED TO CHK THE GPS DISTANCE TO THE RWY; WHICH I WOULD HAVE DONE IF THE TWR HADN'T CLRED ME TO LAND WHILE I WAS STILL 15 MI OUT. CAN'T BELIEVE I DID THIS.