Davis' Farmland & Davis' Mega Maze

From the New Hampshire (via I-93)

Click on map for MapQuest Directions.
 

Take I-93 S (from Nashua take US-3 S), to I-495 S to Route 2 W to I-190 S, to exit #6 and follow the signs.
 

http://www.davisfarmland.com/megamaze/