Almost 3000 people have visited this place, where water boils at just 70° Celsius. Where am I?

At the peak of Qomolangma (Mount Everest).

In what year did Missy Higgins' Album, "The Sound of White", spend Five Weeks at Number One?

2005

Which planet takes 164.79 years to orbit the Sun?

Neptune

Bonus Round (Nearest Answer Wins): As the Crow Flies, what is the distance to the nearest kilometre, from Sydney to Berlin?

16112km