Falls back if first landmark is not in inventory or invalid, region is offline, or the current region is your location
Item drop target is right below the original one in System->Security prefs.
Thanks again to the citizens of Fluffy for enduring these restart tests.
Look in System preferences under the Security tab, at the bottom.
Debug setting is EmergencyTeleportLandmark, reset to turn off.
Also, thanks to everyone in Fluffy who put up with the tests of region restart notifications today,
I know it was annoying, thanks especially to the EMs for allowing me a testbed.