Dare to ride the world's best roller coasters?

Are your kids hoping to grow a few inches before the family heads to the theme park this summer? Chances are they're just itching to ride the big rides - and especially the roller coasters.

Rising high over the trees, these steel and wooden structures are the centerpiece of many theme parks. But which are worth riding - and where are they?

Pictures: World's best roller coasters

Check out our "Eye on Parenting" "World's best roller coasters" photo gallery for the best rides, as ranked by readers of CoasterFanatics.com.