Survival groups around the world are gearing up and counting down to a doomsday date that has been anticipated for thousands of years. "You have to understand, there will be nothing, nothing left," Patrick Geryl told ABC News. "We will have to start an entire civilization from scratch." Geryl, 53, is now stocking up on survival supplies. So, what's the magic day? AOL News has the answer.

Signs of the Apocalypse

Gregory Bull, AP

Those who claim the apocalypse will occur on Dec. 21, 2012, base their beliefs on a calendar devised by the Mayans, whose ruins are shown in Mexico above. The ancient civilization is known for its prowess in mathematics and astronomy.

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Games.com

No Limit Texas Hold'em is the most popular poker game today -- it's even played at the World Series of Poker. To play, each player starts with two face-down cards and then share a stack of common cards. The rest is all skill. Are you up to the challenge?

With rheumatoid arthritis, the tissues lining your joints become swollen, stiff, and painful. We know the symptoms, but we still don't know what causes the disease or how to prevent it. What we do know is that arthritis causes inflammation, and you can reduce your risks. One sex, however, is more than twice as likely to develop RA. AOL Health has all the details.

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Getting ahead at work has as much to do with your skills as how you're perceived by co-workers and managers. Unfortunately, there are five easy traps that can sink your potential to advance. You probably don't even realize you're doing anything wrong. Check yourself against this list from AOL Careers.

Raising a happy family requires more than just good schools. With that in mind, AOL Real Estate and Forbes found 20 counties with the best combination of important factors. These under-the-radar places offer cheap homes, good jobs and a low crime rate. Are you already living in one?

How Much Home You Get for the Money

Columbus, Ohio: Although Columbus is the largest City in Ohio, it still has a small town charm with pockets of lively neighborhoods.
What $150k Buys in Columbus & Across the U.S.

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A NASA spacecraft's first flyby of Mercury has yielded a wealth of information about the inner-most planet, some of which settles a longstanding debate. "This was really like a smoking gun," said James Head of Brown University and a member of the science team behind the mission.

Amazing Space Photos

Reuters / NASA/JHUAP / Arizona State University

Photographs taken of Mercury by the spacecraft MESSENGER in January were analyzed in the journal Science on Friday. Images like the one above show that volcanic activity played a part in forming plains on the planet.

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X17Online

The latest rumor about Lindsay has her hooking up with another brunette musician. The twist this time is that gal pal Sam Ronson set the two up. Who is it? Here's a hint: She's a lovely singer/failed talk show host who happens to share Lohan's wild ways.

Nathan Ellis Perkel for AOL

If there were a lower grade than an 'F,' this burger would get it. This is coming from people who love fast food! The mushrooms? The cheese? Oh, it's all bad, bad, bad, according to AOL Food, who you can always trust for painfully honest reviews.

Kalahari Resorts

The San Dimas water park is famous for two reasons: First, it played a staring role in 'Bill and Ted's Excellent Adventure.' Second, it's home to the world's tallest toboggan waterslide, which sends riders through 600-foot flumes at speeds up to 35 mph. If speed alone isn't enough, the park offers rides through the 500-foot-long Dark Hole and 600-foot-long Neptune's Fury -- both completely in the dark. AOL Travel found 4 more water parks that no connoisseur would miss.