Historical graffiti in Mammoth Cave

Back to my series of the Marathon Pundit vacation to Kentucky and Tennessee earlier this month.

When does graffiti become a relic? When it survives long enough.

In the 19th-century days of Mammoth Cave tours, it was an accepted practice for tourists to mark the cave with their names, as the otherwise forgotten Mal Napier did many years ago.

Related posts:

• Mammoth Cave National Park's Green River
• Newfound Gap Road
• Appalachian Trail
• Cumberland Gap: Where the West was first won
• Great Smoky Mountains in October
• Great Smoky Mountain Sunset
• Great Smoky Mountains Fraser Fir trees in danger