10. Gravity Hills, Various Locations
Gravity hills are amazing locations were the laws of gravity do not seem to apply. Cars left out of gear will magically roll uphill, and rainwater will flow up the hill defying all logic. Despite their popularity and seemingly magic powers, gravity hills are nothing more than optical illusions where the surrounding landscape makes an uphill slope appear as is if it is pointing downwards.
Every country around the world has its own style of laying out its city streets, with a few throwing out the rule book altogether. Unusual architecture is greatly appealing to both tourists and locals, and all of the aforementioned streets have earned themselves a place in history.