Thanks to its grid layout, allowing the sun to align with the east-west oriented streets, Chicagohenge is another man-made-meets-Mother-Nature combo. What is usually a fast-paced city slows down for this special solstice, which falls around the end of September from 6.30pm onwards – Madison and Kenzie streets are particularly good spots to watch the spectacle. In 2023 the date is set for 23 September and will occur around 6:30pm.

Now take a look at more of the world's most beautiful waterfalls

Mother Nature’s spectacles you can only see in America