10/27/2010 08:23 am ET Updated May 25, 2011

Manure, Nuclear Waste, Sewage, And Coal Ash: Scary Toxic Lagoons (PHOTOS)

Hold your nose and run for cover!

Many people think that waste from mining, nuclear power, and even sewage is out of sight, out of mind. Not so much. Much of this waste is stored in open-air lagoons with thin plastic liners, or none at all. Their walls are prone to bursting in a heavy rain. And what they contain poses a threat to our ecosystems, homes, and our health.

If you can stand to take a look at these Halloween horrors of a totally different kind, here are the lagoons that we wish didn't exist.

Toxic Lagoons