In the last Fun With Maps, we talked about a Pennsylvania congressman drawn out of his own district by mere yards. Though that's a particularly targeted example of gerrymandering, it's certainly not the most egregious. Let's look at some of the most rigged.

The Horseshoe: IL-04

To create a Hispanic-majority district in the Chicagoland suburbs, the state of Illinois combined a Puerto Rican neighborhood with a distant Mexican neighborhood via a nonresidential strip of Interstate 294. The problem? The highway is eight miles west of either enclave.