Denver’s newest skyscraper, fourth-tallest building in city, celebrates grand opening
DENVER -- The fourth-tallest building in Denver had its grand opening on Wednesday. The 1144 Fifteenth tower at 15th and Arapahoe streets opened for business and will be the corporate headquarters for several businesses, including Chipotle. The project has been in the works for decades and took about 2 1/2 years to complete.