The Deepest Hole

Alaska Volcano Observatory

Active Volcanos - Google Maps API Example

Where is the Deepest Canyon in the World?


Hanging Monastery in China. More info here, here and here. (via)


360 degree virtual tour of Sacred Valley, Peru

Pyramids of Giza, pictures and history and some walkaround videos.

Damn Interesting - The Deepest Hole

More Wonders of the World?