Kumbh Mela is one of the largest religious gatherings in the world, and it is full of fascinating and unknown facts. 

The name "Kumbh Mela" literally means "pot of nectar". The festival is said to have originated in Hindu mythology when a battle between the gods and demons over a pot of nectar took place.

The four main sites of Kumbh Mela are Haridwar, Nashik, Ujjain, and Prayagraj. These sites are all located at the confluence of two or more rivers, which are considered to be sacred in Hinduism.
The dates of the Kumbh Mela are determined by astrological calculations. The festival is held every 3 years, but the location and duration of the festival vary depending on the astrological cycle.
The largest Kumbh Mela ever recorded was held in 2013 in Prayagraj. It is estimated that over 120 million people attended the festival.
Kumbh Mela is not just a religious festival, it is also a major economic event. The festival generates billions of dollars in revenue, and it provides employment for millions of people.
Kumbh Mela is a time for spiritual enlightenment, but it is also a time for celebration. The festival is full of colourful processions, music, and dance.
These are just a few of the fascinating and unknown facts about Kumbh Mela. The festival is a truly unique and amazing event, and it is a must-see for anyone interested in Hindu culture or world religions.

Here are some other fascinating or unknown facts about Kumbh Mela:

• The word "Kumbh" is also used to refer to a sacred pot that is used to hold the nectar of immortality.
   
• The 144-year Maha Kumbh Mela is the largest and most auspicious Kumbh Mela.
   
• The Naga Sadhus are a group of naked ascetics who participate in the Kumbh Mela.
   
• The Kumbh Mela is a major tourist destination, and it attracts people from all over the world.
   
• The Kumbh Mela is a time for social and economic exchange, and it helps to promote unity and harmony among different cultures.