| Located in Collinsville, IL |
| At the very top of the arch. 630ft! |
Happy adventuring!
| Located in Collinsville, IL |
| At the very top of the arch. 630ft! |
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| Image via Taliesin |
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| Chunk's photo from 2013. Check out that dog! |
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| H.H. Bennett's photo from 1886. Amazing! |


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| Hill Forts of Rajasthan, India. (Photo: Courtesy of UNESCO/DRONAH) |