Transporting from one world to another is a mainstay of fantasy and science fiction, whether it's via the extra-roomy closet in The Lion, the Witch and the Wardrobe or the quantum-leaping fedoras in the new film The Adjustment Bureau. But with so many methods of transportation with which to leap into another world (floor 7.5, tree-set hellmouth, or crayon drawings?), it's a wonder that there's never been a Lonely Planet guide to traversing alternate universes. As usual, we are here to help: Click on as we give a helpful manual of the various modes of interdimensional transit, and the pros and cons of each mode of transportation. Take that, AAA.