Final answer:
Hamilton is known as the City of Waterfalls and Steel City, famous for its numerous waterfalls and historical significance in the steel industry.
Step-by-step explanation:
The city of Hamilton is known for multiple attributes, but it is most widely recognized as both the City of Waterfalls and Steel City. With over 130 waterfalls within its boundaries, Hamilton boasts a natural beauty that has earned it the nickname the City of Waterfalls. Moreover, Hamilton's historical importance in the steel industry has also led to its moniker, Steel City, due to the significant steel manufacturing that has taken place there over the years.