Halloween is one of the world’s oldest celebrations, but the form in which the holiday can be found today is quite different from what we might have seen in the past. Yes, strange as it may seem, Halloween was more often than not a religious observance meant for remembrance of those who have passed away. Discover the eerie origins of Halloween, and the creepy ways it’s celebrated around the world with this infographic from Angels Fancy Dress. The following Halloween infographic shows interesting facts about the Halloween celebrations around the world, especially in the USA, UK, Mexico, Romania, Bolivia, etc. Moreover, it shows some of the most popular Halloween costumes and the most popular pet costumes.