On April 20, 2010, a Deepwater Horizon rig sank off the coast of Louisiana, causing an explosion that killed 11 people. Months later, authorities are still continuing to search for a solution to cap the well, making it the largest oil spill in history.

Just how big is the Gulf Oil spill? Here are some resources to put the size of the spill into perspective.
• If It Was My Home | Allows you to put in your hometown and then places an outline on the map illustrating the reach of the spill.
• Tracking the Gulf oil disaster | CNN.com has an interactive feature that tracks the spread of the spill. The feature begins on April 22nd and continues to plot the area affected by the spill. The feature also shows the areas closed to fishing and uses an Olympic size pool to illustrate the amount of oil that has spilled into the ocean.
• How big is the Deepwater Horizon oil spill? | This website uses Google Earth to show the size of the spill.

Looking for information about the efforts BP is making to contain and clean up the spill? BP has a section of their website devoted to showing their efforts, ''Gulf of Mexico response' you can also follow their updates on Twitter and Facebook.