Why Kerala is so famous for tourism?

Each year the state hosts a large number of tourists who flock down to explore the exotic beauty of Kerala. But, actually what makes Kerala tourism so irresistible to the tourists and gives it a place in the bucket list of many travellers? Well, if you think about it then the state is blessed by nature in many ways. Even though there are many places in the world that have got beautiful and pristine beaches, waterfalls, wildlife, and other sightseeing worth places than Kerala.