"RAGBRAI, The Register's Annual Great Bicycle Ride Across Iowa, is an annual seven-day bicycle ride across the state. RAGBRAI is the longest, largest, and oldest touring bicycle ride in the world." (ragbrai.org)
Spending 7 days riding 472 miles across the open, flat roads of Iowa in the summer, and camping out for six nights with ~10,000 of your closest friends; what about that doesn't sound fun? If I only would have made my revelation about biking a few weeks earlier, I would be there right now.