Mirny diamond mine in Siberia

The world's most... The top X... The most unique... The most phenomenal... If the popularity of sites like Deputy Dog is anything to go by, we seem particularly drawn to such lists.

I wonder why this is so? The characteristics seem to be:

This could be a useful device to get people to read a series of stuff you want to communicate. What do you think?

I liked 7 Amazing Holes.

Thanks to Bede for pointing me to this site.