Stairway to Heaven Hawaii. I actually saw people doing this. Once I researched it, the entrance is guarded because it's not safe and hasn't been maintained, but that doesn't stop people from finding a way to climb. The rebel in me would love to try to climb it.
The Earth at Night - Nothing demonstrates population and wealth like the warm glow of cheap electricity from space. Also, check out the Russian equivalent of manifest destiny...not quite as comprehensive as the American version, but then California is a lot nicer than Siberia.