Local architecture firm Goettsch Partners has built a tower with a wave-like glass facade on top of Chicago's 1920s Cedar Hotel.
Goettsch Partners added the eighteen storey tower to the existing four-storey Cedar Hotel to create an expanded hotel named the Viceroy Chicago.

The new tower, which spans 150,000 square feet (45,720 square metres), has a completely different visual identity than the existing four-storey structure.
Its angular glass curtain contrasts with the original build, which is rectangular in form and constructed from red brick with ornate terracotta details.

The architects preserved the original 1920s structure, with the building's brickwork informing the design of the modern addition.
"The distinctive 'folding' geometry is inspired by the argyle-like pattern found in the historic brick façade below," said a statement from Goettsch Partners. A new rooftop terrace has been created on the former rooftop of the brick structure.

The hotel is topped with a rooftop pool and cocktail lounge that has views across the city skyline and the shoreline of Lake Michigan.
Hospitality design firm TAL Studio led the interior design of the 150,000 square feet (13,935 square metres) hotel.

Along with 180 bedrooms, the hotel has a 5,000-square-foot (464-square-metre) meeting and event space, and a 2,200-square-foot (204-square-metre) ballroom.

A triple-height lobby atrium is furnished with marble floors, brass light fixtures, and decorative pieces that...