Haleakala National Park – Hawai’i
by Jerry Pillarelli
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On the road - USA 2011
by thesilvertops
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Hole in the Ground
by Jeff B.
| 
Rio Grande del Norte National Monument – New Mexico
by Jerry Pillarelli
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Heimat de Jérôme Brabant 05/04/2013
by Photolosa
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Craters of the Moon National Monument, Idaho
by Lee Rudd
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Province of Tawi-Tawi
by Jojie Alcantara
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Mt. Adams, Washington, Jan 2007, and Nov 2020
by John Tangney
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05 Idaho (7/24-7/28)
by dick wood
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Mt. Lassen National Park
by harveywall
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