Homework - 7 Natural Wonders of the World!!

I can't really decide so, here is a list of them with their websites:Key:
Red Writing is incoming

* www.sevennaturalwonders.org:
 - Auroa Borealis a.k.a The Northern Lights                       8th: Pink And White Terraces
 - The Grand Canyon
 - Ayers Rock
 - The Matterhorn
 - Mount Everest
 - The Meteor Crater
 - Victoria Falls
 - Great Barrier Reef
                                                                  OR...
* www.unmuesum.org:
 - Great Barrier Reef
 - Victoria Falls
 - Mount Everest
 - The Grand Canyon
 - Paricutin
 - The Auroa Borealis a.k.a The Northern Lights
 - Harbor of Rio de Janerio