What's a good place for water-skiing?

A sloped lake.

Where's the best place to hide an elephant?

Dad: Where is the best place to hide an elephant? Me: I don't know, behind a big rock? Dad: In a tree silly. Me: In a tree? Dad: When's the last time you saw an elephant in a tree?

Whats the biggest difference between men and women?

The phrase I went through a whole box of tissues watching that film. is a good place to start.