Architects often have mind-blowing visions for the future, and their plans seem to be more otherworldly each year. In 2013, different firms pushed the boundaries of how we exist in space, challenging the way we move through life with innovative structures that redefine familiar landscapes. Just this year, an impressive slate of new buildings went up around the world, reaching new heights in architecture and design. From OMA's powerful De Rotterdam building in the Netherlands to MAD Architects' dizzying Absolute Towers in Canada, here are The Best Buildings of 2013.

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