Shake Shack opening in Campus Martius

Shake Shack in its new location in the First National Building in Campus Martius.

Shake Shack's tables are made from reclaimed wood from New York bowling alleys.

Culinary director Mark Rosati inside the new Shake Shack.

Murals and posters of local Detroit locations and legends adorn the walls.

A worker hangs signs and posters in preparation of the opening on Thursday, Feb. 23.

The ShackBurger and Crinkle Cut Fries.

The Motor City Mix is made of vanilla custard, peanut butter sauce, Bon Bon Bon dark chocolate bark with Rocky's honey roasted peanuts and chocolate toffee (and the vortex hole in the middle which shows off how thick the dessert is).

The Shack-cago dog comes with Rick's Picks Shack relish, onion, cucumber, pickle, tomato, sport pepper, celery salt and mustard.

Various menu items including the ShackBurger.

The ShackBurger is ready for consumption in Campus Martius.

ShackBurgers and Crinkle Cut Fries.