The Mansion of Madness (1973)

Storyline:

The Mansion of Madness 1973 A mysterious man is sent deep into the forest to investigate the bizarre behavior of the notorious Dr Tarr What he stumbles upon is the doctors torture dungeon, a hellish asylum completely cut off from civilization and presided over by the ultimate madman Innocent people have been savagely chained, tortured and stuck in glass cages, then forced to take part in gruesome games of ritual slaughter