Skylines have always kickstarted our hearts. At any time, they stun—either a lordly beacon to inform your place in daylight or a twinkling assemblage of man-made stars in moonlight. They’re collections of monuments, archived with the weathered dings of history. They’re robust, sparkling mountains of glass, steel, brick, and plaster that you can live in, learn in, work in, or take charge of interests in. They’re beautiful, astounding panoramas of boundless architecture.