What is a multi-dimensional doorway?

Mayan prophecy says a ladder will emerge from the center of our Milky Way galaxy in 2012. This is seen by the Mayans to be a multi-dimensional doorway. In today’s physics terms, it could easily mean a wormhole where one can transcend the speed of light and enter another part of the universe. In the movie “Contact” Jodi Foster meets her deceased father through one of these.