It was also surprising you had to go through Tennessee to get to Rock City. This photos was taken with Kodak Royal Gold ISO 400 negative film. The film was then process and scan into a Kodak Photo CD master disc. Such scans are digitized with 2000 x 3000 resolution. This is far better then the resolution you get from a dig ital camera.
High resolution is necessary for making large prints.
When posting photos to the web you can get fairly sharp detail with low res. Kevin and Luke are the best of brothers. Here they are standing in our front yard. Well Bush Gardens is always a good idea. You can see digital cameras can produce excellent results for the web.