Maps
Blizzard's own map art for every zone, continent, city and battleground in the Forever beta client, including the new zones. Below them, overhead maps of the new dungeons, which the game itself never draws.

Eastern Kingdoms26 zones
NewRiverglades

Alterac Mountains

Arathi Highlands

Badlands

Blasted Lands

Burning Steppes

Deadwind Pass

Dun Morogh

Duskwood

Eastern Plaguelands

Elwynn Forest

Hillsbrad Foothills

Ironforge

Loch Modan

Redridge Mountains

Searing Gorge

Silverpine Forest

Stormwind City

Stranglethorn Vale

Swamp of Sorrows

The Hinterlands

Tirisfal Glades

Undercity

Western Plaguelands

Westfall

Wetlands
Kalimdor23 zones
Battlegrounds & islands
Dungeon maps
Classic never shipped dungeon maps. These are the instances' own minimap tiles laid out flat, so you see the whole place from above.
From the Forever beta client, build 1.60.1.69893. Zone maps are the game's map art; dungeon maps are stitched from the instance minimap.