You must decide if you'll be a truly super villain! Should you go for the mobile 600-foot self-sufficient traveling lair, a projection of gut-rumbling diabolical potential with the huge attendant staff, supplies, and support requirements? Or, should you choose the mini-lair, so small you'll need to extort a scientist into making you a nano-quantum-tech ray to shrink yourself, but one that's completely concealed with no room for dunder-headed inferiors?
Mobile City (Very Large Structure) design via FastCoExist.com, and amazing Bonsai construction by artist Takanori Aiba via ThisisColossal.com.
I’d probably go with an unnamed option, but I won’t tell you what it is…
Soooo crafty, you are.