help! things that come in sevens?

The 7 wonders of the world idea would be cool except for the obvious

“HR will be discussing morale in Niagara Falls”
God damn it! I don’t want to drive that far!

http://www.geekologie.com/2007/08/03/seven-leg-lamb.jpg

All of the planets except Earth. Now that Pluto has been given the boot.
Make sure Uranus is the crappiest one.