goblinoidgames.com

This PDF contains fifteen individual maps that combine to create a sprawling mega-dungeon (see my map thread here. The maps are comprised of standard dungeon chambers, natural caves, water areas, submerged areas, multiple elevations, and one giant chamber that stretches across four pages. There are multiple entrances leading from above and multiple stairways leading deeper into the dungeon (which are beyond the scope of this document). Each map has several options available, including black or white backgrounds, numbered or non-numbered areas, and secret doors on or off (for ease with VTT programs).

http://www.drivethrurpg.com/product/155 ... Dungeon-02

Cheers,
Tim