This is a small wonder that I did not know about. It was brought to my attention by a friend. It is a rare flower called Kurunji which blooms once in 12 years. Here is a thumbnail and a link to the original article.
I did some research and found a few interesting links:
Another Thumbnail and Save Kurunji Campaign
A poem about Kurunji
I wonder how many other such wonders are there in the world.