-Stonehenge; on a clear night with an eclipse
-360* Panorama from the top of a major mountain with either clouds and only peaks showing; or cloudless
-Being able to access any type of building implosion/demolition
-Ayers rock in Australia
-More time in Italy and access to things like the vatican to take more than snapshots to show the amazing architecture built before power tools and calculators
-This one which I have been thinking/planning since I saw a PBS special on it when I was ~ 9 years old:
Called the Playa in Death Valley; and yes, the rocks do move on their own.