Kinzua Sky Walk Platform - Pennsylvania | AllTrails
Kinzua sky walk - Reviews, Photos - Kinzua Bridge State Park - Tripadvisor
Kinzua Viaduct - Herbert, Rowland & Grubic, Inc.
The most underrated US attractions: readers' travel tips | United States holidays | The Guardian
HRG's Award-Winning Kinzua Sky Walk Project Ranked No. 3 Among the "13 Scary-but-Awesome Viewing Platforms in the World by CNN Travel - Herbert, Rowland & Grubic, Inc.
Kinzua Bridge State Park & Skywalk - Mount Jewett, PA - Family Adventures in New York State
Kinzua Bridge: Pennsylvania's Eighth Wonder of the World