Visit Detroit on Instagram: "Did you know? The Westin Book Cadillac Detroit @westinbookcadillac was the tallest building in Detroit and the tallest hotel in the world when it opened in 1924. 🏨⬆️ Join us and @yourcoilyness as we place the spotlight on this beautiful and historic Detroit hotel located right in the heart of downtown! Designed by the same architect as the Book Tower, Louis Kamper crafted the hotel in the beautiful Renaissance-Revival style at the corner of Washington Boulevard and