A new free exhibit at the Chicago Board of Trade Building is meant to help rejuvenate the vacancy-ridden heart of the Loop.

A new free exhibit at the Chicago Board of Trade Building is meant to help rejuvenate the vacancy-ridden heart of the Loop.

Structurally, the Wrigley is a typical steel-frame Chicago high-rise of its period, with fifty caissons encased in concrete ...

The conversion of the office building on Broadway to a hotel is believed to be the largest in California in recent memory.