None the Wiser: Various RPG Visual Aids

Dungeon Crawl Classics #28: Into the Wilds

Dungeon Crawl Classics #36: Talons of the Horned King

Dungeon Crawl Classics #23: The Sunken Ziggurat

Dungeon Crawl Classics #19: The Volcano Caves

Dungeon Crawl Classics #12: The Blackguard's Revenge

Dungeon Crawl Classics #26: The Scaly God

0one's Blueprints: The Great City: Castle Ward

You can find a complete list of the Dungeon Crawl Classics (3E) gaming modules at the Goodman Games website. You can still purchase the modules in PDF format at RPG now. The Great City project which includes the Castle Ward map can be purchased and downloaded from 0one's website.