Everyone knows about the Boston Tea Party and Paul Rever. But did you know that Boston is home to the country's first public school? Check out these interesting facts about Boston that you might not learn from your tour guide.From 1659 to 1681, it was against the law to celebrate Christmas in Boston because the pilgrims thought it was debauched.Logan International Airport is built almost entirely on top of land that, before a landfill project, used to be Boston Harbor. If you don't include college students, only about 600,000 people reside in Boston.The average price for a bowl of New England clam chowder in Boston restaurants is $4.40.Nearly 70 percent of housing units in Boston are occupied by renters rather than owners.A two-bedroom apartment in Boston costs $1,343/month, on average.Tickets for the 2003 Boston Red Sox and 2003-2004 New England Patriots home games were all sold out.At 90 feet below the surface, the Ted Williams Tunnel is the deepest in North America.The famous "Citgo" sign in Kenmore Square contains five miles of neon tubing.Before a landfill project started in 1857, the Back Bay area of Boston was a 570acre body of water.Only 34 of Boston's 840 restaurants serve fast food.About 250,000 college students live in Boston.The average single-family housing unit in Boston lists for about $500,000.The Big Dig created about 80 miles of underground lanes in a 7.5-mile corridor.The Fleet Center was built 9 inches from the old Boston Garden, so the classic structure had to be demolished brick-by-brick.More than 18 million people visit Boston every year.In the fall and spring of 2002, the Boston Parks and Recreation Department planted 622 trees citywide.The 60story tall John Hancock Tower boasts 13 acres of glass.March 10, 1876, Alexander Graham Bell made the very first phone call in history from his Boston machine shop. The call was to his assistant, Thomas A. Watson, in which Bell chimed, from down the hall, "Watson come here, I want you!"