There's been a lot of maps made for use in the channel, many of which have been retired from active use due to revisions and updates made over time. They are collected here.
World
The world map, ca. 1997-1998
The oldest world map, drawn prior to 2000
Political world map from 2012
Simple world map from 2012
Physical world map from 2013
Climate world map from 2013
Global ocean gyres map from 2016
Global trade routes map from 2016
Updated political world map from 2017
Oceanic Trade Routes, by Uzzo, using Pigasus' world map (July 2018)
Siveth's ocean gyres, by Uzzo, using Pigasus' world map (July 2018)
Updated political world map from 2017, by Igor, minor updates by Uzzo (September 2019)
Veth
Original expanded map of Veth from 2006
Version of the 2006 Map with political boundaries highlighted.
Veth physical map circa 2013, made by Pigasus
Updated physical map of Veth, Sept 2017, made by Pigasus
Arangoth
Lysira's map of Arangoth, created some time pre-1999. Used as the official map of the kingdom on the BDI site for years.
Arangoth with provincial borders and major roads
A provincial map of Arangoth, created by Pigasus (Apr 2018)
A map of Arangoth's roads and regional trade routes, by Uzzo, using Pigasus' provincial Arangoth map (July 2018)
A provincial map of Arangoth, created by Pigasus (Apr 2018), minor updates by Uzzo (September 2019)
An updated map of Arangoth's roads and regional trade routes, by Uzzo (September 2019), using Pigasus' provincial Arangoth map (July 2018)
Drache
One of the oldest maps of the city of Drache
Another old map of Drache showing the districts of the city
A close up view of the Drachean Harbor, created by Uzzo (Jan 2018)
A new map of the city of Drache, created by Uzzo (July 2018)
The Blk Dragon District, created by Uzzo (July 2018)
The Royal Church District, created by Uzzo (July 2018)
The Diplomatic District, created by Uzzo (July 2018)
The Gessi District, created by Uzzo (July 2018)
The Goblin Slums, created by Uzzo (July 2018)
The Ironworks District, created by Uzzo (July 2018)
The Merchant District, created by Uzzo (July 2018)
The Mingit District, created by Uzzo (July 2018)
Western Drache, created by Uzzo (July 2018)
WharfDistrict.png
The Wharf District, created by Uzzo (July 2018)
Off the Coast of Drache, created by Uzzo (July 2018)
The Southlands
An old map of Elluria and Tollor during the Civil War that resulted in the unification of Elluria
Tollor City in Elluria during the Tollorian Civil War (this map does not reflect the current state of the region)
Mutoria & Lithalle, provinces of Aslar
Miscellaneous
An incomplete map of Pirate's Cove, off the coast of Arangoth
Cathol's map of the Alesian Imperium
Preliminary map of the Nipangu Archipelago