The Weird World Mansion is the almost impenetrable palace of V.V. Argost and Munya. It is the place where Argost hosts his television show, Weird World, and was his base of operations before his death. The Mansion's roof got destroyed in War of the Cryptids.
The Mansion has a dungeon that is used to hold Cryptids. It has cages hanging from the ceiling and jail cells for cryptids. A corpse is seen hanging on the wall in "War of the Cryptids".The dungeon is infested with hundreds of all kinds of cryptids alike including:
- Mongolian Death Worm
- Fiskerton Phantom (Once More the Nightmare Factory)
- Komodo Dragon (Once More the Nightmare Factory)
- Yeti (V.V. Argost)
- Kur (Once More the Nightmare Factory)
- Anti-Kur (War of the Cryptids)