Part of the requisite of being a superhero is to have a gadget-laden lair.
After all, you can't organise your superhero crime fighting and saving the world from a small bedroom (unless you're Spider-Man).
But which superhero has the ultimate base? Is it Batman's Batcave? Superman's Fortress of Solitude? Professor Xavier's School for Gifted Youngsters?
This awesome infographic from the good people at Terry's Fabrics will help you decide which superhero boasts the best secret base (although obviously it's Iron Man).