Top 100 Lists: A Few More Worst Lists

It's the summer solstice, but it's downright gloomy outside anyway. Somehow worst lists seem more appropriate than best lists today.

Here are 100 of the world's worst invasive alien species. No, not of the Martian sort!

Who wouldn't want to know the 100 worst MLB teams?

And to close things off with something really depressing: 100 Worst Aviation Disasters.

Like top 100 lists? Then stick around for the rest of the month of June because I'll be posting several more of them.