2. An alternative route from Wisconsin to lower Michigan. Instead of slogging through the heavy traffic of metro Chicago, adventurous drivers can take the "Yoop Loop" over the top of Lake Michigan and then across the Mackinac Bridge to lower Michigan. Longer, yes, but way more beautiful.
3. A generic term for any trip that takes the traveler through Michigan's Upper Peninsula en route to somewhere else -- one of the great undiscovered pleasures of the North Country.
"What if our car breaks down and we're attacked by bears?"
"It's better than being attacked by gang bangers on the Dan Ryan Expressway!"