BUFFALO, NY ( WKBW ) The National Historic Preservation conference is underway in the City of Buffalo.
Some events kicked off Tuesday night, when the owners of the Guaranty Building on Church Street opened their doors for a public tour.
The terra cotta building is considered to be one of the world's first true skyscrapers because of the use of a full steel frame.
The building was the design of famous American architect Louis Sullivan, and opened back in 1895.
Chrissy Lincoln, visiting from Cleveland as part of the Preservation conference told Eyewitness News that even though she is a Western New York native, she never had an opportunity to see the Guaranty building before.
The Guaranty building, which is also called the Prudential building, was declared a national historic landmark in 1975.
The law firm of Hodgson Russ is a major tenant, and has been active in working to preserve the architectural splendor of the structure.