Here are some links to popular Metal Detecting Sites. 
Just click on the name to go directly to the site.

Treasure Depot is a large all purpose site.

Go to this site to pull up Historical maps of Mobile and South Alabama

Find Mall is another large all purpose site.

Ghost Towns.Com is a listing and description of Ghost Towns across the US

Here is another site for Ghost Towns in Alabama

Metal Detecting World has a lot of informational articles about the various types of hunting and detectors

Minelab Owners TV has some informative and entertaining videos

Clive Clynick has written several books on under water metal detecting.  Go here to check out his site.

If you found a lot of gold last year and are looking to sell, take a look at Empire Gold Buyers

Coin Hunting.Net is a useful site for the coin shooter crowd

If you are thinking about driving out to Gulf Shores and want to see how rough the water is, check out BamaBeachCams

GoMetalDetecting.com is another general all purpose site

If you have a White's DFX, this is for you

Dirt Journal.com is an earthy kind of place to visit - no pun intended

The Beep goes on site has lots of useful information

CoinFlation will tell you how much that coin you found is worth in the metal it contains

TreasureNet.com is the website of the popular magazine

MyTreasureSpot.com is a large site with lots of forums

If you want to find the value of that gold ring you just found go here