To be clear, yes, we can see everything from Google Earth or other satellite imagery, but that doesn't mean we can explore it. GE can't see into forests, canyons and caves. Has every mountain been ...
I know that you can charter a helicopter, it is expensive but possible. But can I go on a scheduled flight with a helicopter? If so, which connections?
Clearly scuba can only get you so far, and while we've discussed submarine tours in the past, they are just jaunts. What's the deepest you can actually go as a tourist, and what about if you were ...