Ah, tourists! What appears to be a nicely dressed family all perched atop umbrella rock on Lookout Mountain in Chattanooga. Probably much giggling going on.
Here’s what Umbrella Rock is all about:
Notice that in the picture there is only one sign. The postcard image shows three.
I think the picture is from the 1900s and the postcard from the 1940s.
Uncle Bob's Pix 
Really neat Bob! 🙂