The world never falls short of interesting phenomena, so we decided to bring you some really intriguing ones. You know, the sort that one can only experience once a year? Time to make another travel diary.

1. Manhattanhenge, New York City



The sun is aligned between the east and west streets of the main grid of Manhattan, New York City, only once a year.

3. Red crab migration, Australia



This happens on the Christmas Island, an Australian island in the Indian ocean. Millions of crabs make their way from the forest to the ocean and lay eggs there.

5. Winter Solstice at Stonehenge, England



Winter solstice is the best time to be at Stonehenge. A truly magical experience, the pillars are aligned in a manner pointing to the winter solstice sunrise.