Post pictures of your favorite fictional evil lairs, pictures of places that look like evil lairs, or actual evil lairs. Mountain temple fortified with ninjas only accessed by cable car type vibes here please. The lairs don't have to be evil, so hideouts are also welcome.
Because I was talking about Hitman in another thread, those games have some top tier secret lairs. Two of the best...
A bioweapons lab beneath a historic clifftop house in the Amalfi coast:
An illuminati secret society retreat on ancient island in the North Atlantic ocean: