The Gulf Tower's most popular residents are peregrine falcons, who like to build their nests on cliffs, and seem to find the Gulf Tower an adequate substitution. Each year, the birds give birth to four chicks. Over the years, the top of the Gulf Tower has flashed various lights, to signal weather patterns. In 1929 it was the largest aerial beacon in the world. One of the bldg's occupants talks about the Hillman Company, where he is a Vice President, and the company's history in the Grant Bldg.
Archival footage shows the significance of riverboats on commerce.
Once the old Union train station, the Pennsylvanian is now an upscale condominium. The bldg has a grand rotunda, and an historian talks about its significance in the days of horse-drawn carriages. Wide shot of Liberty Ave. Pittsburgh has a rich history of performing arts downtown, and the Cultural District is restoring the city to those grand days. The owner of Jenny-Lee Bakery recalls Market Square decades ago, and archival footage illustrates the market that existed in the early 1900's.