This week's riddle is one of Elon Musk's favorites, according to Ashlee Vance's 2015 biography, . The billionaire tech magnate has been known to pose this very question during job interviews at SpaceX. Although now that the word is out, he has surely come up with a new brain teaser.
You're standing on the surface of the Earth. You walk one mile south, one mile west, and one mile north. You end up exactly where you started.
Where are you?
There is more than one solution.
Once you take your stroll one mile south, west, and then north, you can check the answer here.
*See all of our riddles here.