People.com Halloween Party

The Scariest Places in America

These asylums, horror film locations and other spooky sites show the creepier side of our country's history

SENECA CREEK PARK, GAITHERSBURG, MARYLAND

This park is famous for its starring role in the 1999 shaky-cam horror film The Blair Witch Project. If you're game, there's even a YouTube video that claims to direct hikers to some of the movie's famous spots, like the cemetery and Coffin Rock.