Read stuff by Peter Egan. Specifically the "Leanings" books. They do a good job of conveying the sport of motorcycling for fun in the U.S. European guys have a great take on the sport. I always enjoyed reading magazines like "Bike" or "Performance Bikes" more than the dry as dirt American motorcycle magazines. Read one of those cover to cover when you're in Barnes and Nobles next time.
If you want to talk about touring:
~ Read about the Iron Butt competitors.
~ Go read threads at advrider.com
~ Rent a bike and ride Skyline drive, the Blue Ridge Parkway, or The Cherohola Skyway.
~ Watch the series "Long Way Round" about Ewan McGregor and his friend Charlie riding around the world.
~ Either travel to or read about The Elephant Rally in Germany.
~ You could learn about any number of cruiser style motorcycle events like Daytona, Sturgis, etc. Keep in mind most of these also have a counterpart minority event happening at the same time or a different time depending on the event.
If you want to learn about racing motorcycles:
~ Watch "Faster" as narrated by Ewan McGregor.
~ Watch the documentary "Dust to Glory" about the Baja 1000. They have some really good stuff on off road riders in there. You could also watch "On Any Given Sunday" but I like D2G better.
~ Read about legendary MotoGP riders like Eddie Lawson, Wayne Rainey, Kenny Roberts, and Kevin Schwantz. Then go read a bout Barry Sheene, Mike Hailwood, and Mick Doohan. Pay special attention to Doohan's injuries, recovery, and racing while recovering from bone shattering accidents.
~ Go to a motorcycle track day or AMA race.
That should do for a start. Feel free to message me or whatever.
OH SH!T! I can't believe I forgot to mention The Isle of Mann TT! Read all about that. When you read about the TT be sure to check out Mike Hailwood's win in 1978. Keep in mind that he'd retired from racing 11 f'ing YEARS earlier. Hard as nails...