Head Offices of Wrigley's Spearmint. The Wrigley Building at the North End of Michigan Boulevard Bridge is 210 feet high and on top of the sixteen stories a 188 foot tower, making the height of the entire structure 398 feet. The tower affords a comprehensive view of Chicago and its Lake Front and is open to the public as an observatory. The building covers an area of approximately 32,000 square feet and houses the Boulevard Bridge Bank Safety Deposit Vaults, restaurants, soda fountain, telegraph office, broker's office, drug store, etc Curt Teich & Company, Inc |