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The Casa Tóló by Alvaro Leite Siza Vieira, son of internationally-known architect Alvaro Siza, is one of the most striking houses in recent history. Rather than appearing like a house, it brings to mind the remains of a distant culture or even some sort of bunker. Its form is inexplicable, a series of stairs and platforms hugging the side of a steep hillside in northern Portugal.

Casa Tóló in Lugar das Carvalhinhas, Portugal by Alvaro Leite Siza Vieira