um.....you can see whatever you'd like around the 7 Seas Lagoon and Bay Lake. So you can see the grounds of the Grand Floridian, the TTC, The Contemporary, the entrance to MK, The Wilderness Lodge and Fort Wilderness, and the old site of Discovery Island.
They don't go very fast at all....
and they aren't really a "must do"
more like a, well I had some extra time....
Its fun I guess....the ones on 7 Seas Lagoon are more fun than the ones at CBR atleast.