Chicago cityscape from Lake Michigan, the Adler Planetarium Sundial in the foreground with the Willis Tower, formerly the Sears Tower, beyond, Chicago, Illinois, United States of America, North America

travel destination travel destinations travel photography colour image colour color image color vertical chicago cityscape lake michigan adler planetarium sundial willis tower sears tower illinois usa us united states usa us united states united states of america north america american north american outdoors outside lake building building exterior architecture architectural architectural skyscrapers city modern national landmark landmarks day skyline urban scene blue red chicago river river water