A lot. . .
In addition to the map of Bai Ye you mentioned, there is also
Underworld
Tunnel of Sanctions
Tower of Sinners
The Garden of Madness
Obey the Grand Staircase
The Tomb of Hot Sand
Devil's 13th Street
Paradise Lost
The Country of Fools
The Forest of Twilight
The Academy of the Underworld
The City of the Lord
The Burial Remains Cave
Giant's House
House of Curiosities
And so on. . . There are many more