Rock City

Official Travel Stamp Vinyl Sticker Top Voted Stamp of May 2026 Planning a trip? Check out See Rock City. Built from limestone quarried during the excavation of the elevator shaft, this 70-foot tower is part of the historic Cavern Castle. It stands high atop the mountain containing the famous underground waterfall. Its summit platform offers long-range views of the Tennessee River valley. Once used as the original tour departure point, it remains an enduring landmark in the legacy of Ruby Falls. Need to commemorate more of your Peach State travels? Check out our entire Georgia Collection.