How can I view a KMZ on an iPad?

I asked an iPad whiz, and he said that one possible way is to e-mail yourself the kmz file, have your e-mail client open it, and hope that iOS knows to open Google Earth in opening the attachment. He says that iPad has no "desktop" per se, so it doesn't work as one might expect a Mac or PC to work...

Mapbox seems to be right up your alley! Use iTunes to copy the KML/KMZ or even GeoRSS over to the iPad. Simple as pie and works great.

http://mapbox.com/ipad

Best way I have found is to use Google MyMaps. From Google Map, click MyMaps(must be signed in to your Google account), and select 'Create a New Map' and 'Import'. You can upload KML/Zs up to 10MB(uncompressed) and then access them from the Google Earth iOS app. You can turn the layers on or off, and zoom to individual features from each layer.

It is possible to open KML/Z attachements from email as Howard Y suggests, but I've only had success with this approach with the simplest of KMLs. On more complex files, such as with network links, many features, etc, Google Earth will open and fail to render anything. Another drawback with this approach is that the KML will not show up in the layer listing, so there is no option to turn it on or off, and managing 3 layers may not be possible.