Happy Halloween from the Google Maps team! If you're looking for local costume parties or haunted houses, here are some Halloween event maps for different cities in the U.S.:

Portland corn mazes and pumpkin patches - A guide to Portland, Oregon metro-area corn mazes, pumpkin patches and fall harvest events, created by the Oregonian News.

Chicago's Haunted Houses - Best places for a scare in the Windy City.

Halloween Happenings in Detroit - Fun events for the entire family throughout the month of October, created by MyFoxDetroit.com.

Where the Scares Are, LA 2007 - A map to month-long haunted attractions throughout greater Los Angeles, created by CreepyLA.com.

OC Halloween Events - The top Halloween attractions, events, and entertainment in Orange County, including Disneyland, Knott’s Scary Farm, haunted houses, Halloween balls and more.

Halloween in Tampa Bay - All of Tampa Bay's spooky events.