How Gerrymandered is Your Congressional District?

This extremely interesting WashPost article has an interactive piece that lets you see how gerrymandered your House seat is.  But it goes further discussing that some of the most gerrymandered districts are done by opposing parties because the oppositions wants to contain the party in as few places as possible.  It also argues that Maryland and North Carolina are the two most gerrymandered states while Nevada and Indiana are the least.