A man wearing a mask waits to take part in a flash mob named "Halloween bike ride" before touring around the city in Madrid, Tuesday, Oct. 31, 2012. (AP Photo/Daniel Ochoa de Olza)
Skye Gill (left), 6, and her cousin Taylor Kearney (right), 6, both of Washington, play while waiting in line for balloons as they and others arrive for Halloween festivities at Eastern Market in Washington on Wednesday, Oct. 31, 2012. (The Washington Times)
Micah Taylor,4, (right) and John Gardner,12, (left) both of Washington, D.C., join other residents for Halloween festivities at Eastern Market in Washington, D.C., Wednesday, Oct. 31, 2012. (Rod Lamkey Jr./The Washington Times)
Michelle Carroll, of Washington, D.C., offers glow sticks and tooth brushes to kids, as residents arrive for Halloween festivities at Eastern Market in Washington, D.C., Wednesday, Oct. 31, 2012. (Rod Lamkey Jr./The Washington Times)
Wearing a mask on Halloween, Carol Heye of Riverview, Fla., shows her support for Republican presidential candidate, former Massachusetts Gov. Mitt Romney as he campaigns in Tampa, Fla., Wednesday, Oct. 31, 2012. (AP Photo/Charles Dharapak)
Halloween decorations are seen during a snowstorm, Tuesday, Oct. 30, 2012, in Elkins, W.Va. Superstorm Sandy buried parts of West Virginia under more than a foot of snow on Tuesday, cutting power to at least 243,000 customers and closing dozens of roads. At least one death was reported. (AP Photo/Vicki Smith)
A Pittsburgh Steelers fan and Washington Redskins fan paints their faces for halloween as the Washington Redskins take on the Pittsburgh Steelers at Heinz Field, Pittsburgh, Pa., Sunday, October 28, 2012. (Andrew Harnik/The Washington Times)
Catering to the popular zombie craze, Halloween costumes for young children are getting more grisly, like this boy’s skeleton zombie costume, often sold in sizes for kindergartners. (Associated Press)
Catering to the popular zombie craze, Halloween costumes for young children are getting more grisly, like this boy’s skeleton zombie costume, often sold in sizes for kindergartners. (Associated Press)
With so many people living (and dying) on the Tudor Place grounds over the decades, the place is bound to be haunted, so Halloween is the perfect time to visit.
A Halloween retailer says it can predict the presidential race based on sales of Obama or Romney masks. It also offers children’s elephant costumes. (Image provided by Spirit Halloween)
In this photo taken Oct. 28, 2011 and released by Ascent Services Worldwide LLC, climbers Silas Rossi, left, and Angela Hawse, in Halloween costumes, dangle beneath an overhang in the Guide's Olympics during the American Mountain Guides Association's annual conference at the Shawangunk climbing area in New Paltz, N.Y. (AP Photo/Ascent Services Worldwide LLC, Joe Lentini)