Displays a simple list of map vignettes that're currently visible. Or maybe not so visible.
This cannot show ore or herbs. Blizzard works very hard to make those inaccessible to addons.
Configuration
For a summary of settings:
/wotm
To toggle whether the frame shows a title (which can be used to drag it around):
/wotm title
To toggle whether the frame will show even when there's nothing nearby on the map:
/wotm empty
To toggle whether the frame will include items which aren't visible currently (on the minimap or world map):
/wotm hidden
To toggle showing a lot of debug information about vignettes that you probably don't care about in the tooltips:
/wotm debug