Compare your RV's statistics to this one's:
Length: 69 feet.
Engine horse power: 1,425
Fuel tank capacity: 1,670 gallons
Range between fuelings: 2,500+ miles
Oh yeah, here's something else your RV probably can't do: Go swimming. OK, so you have an RV that can go in the water. Try this one: Fly.
The folks at the Travel Channel have put together a video on the Fetcko's Albatross. See it here.