Arizona's got sky islands in spades. But if you wind your way from the desert floor to the tree tops, that's all you'll find.

Reviewers also advise allowing 45 minutes for the observatory tour. There is no elevator, so you'll have to climb the stairs to the top to take in the views, but past travelers say the pace is ...

Copyright © 2025 BBC. The BBC is not responsible for the content of external sites. Read about our approach to external linking.

Apparent temperature (App Temp) for Sydney - Observatory Hill is calculated using temperature observations collected at Sydney - Observatory Hill and wind observations collected at Fort Denison, as ...