Prada Epicenter — Tokyo Aoyama

Herzog & de Meuron's 2003 Tokyo Prada store redefined luxury retail architecture with its six-storey rhombus sheathed in bubbled glass, a design that costs 30% more per square meter than the typical luxury flagship. As the originator of the "epicenter" concept—a cultural destination rather than a mere point of sale—it influenced every major luxury house worldwide. With a 1,170-square-meter sales floor and a facade that shifts appearance with light, it outshines #5 Lego House in architectural prestige, though its 2003 opening date makes it 14 years older than the Billund wonder.