Yet my list contains the following:

1) Amdapor Keep
2) Pharos Sirius
3) Copperbell Mines (Hard)
4) Haukke Manor (Hard)
5) The Lost City of Amdapor
6) Halatali (Hard)
7) Brayflox's Longstop (Hard)
8) The Sunken Temple of Qarn (Hard)
9) The Wanderer's Palace (Hard)
10) ???