![Chiricahua Mtns., Portal, AZ, 2003](https://a4.pbase.com/u35/polakis/medium/23403568.b_jenn2.jpg) Chiricahua Mtns., Portal, AZ, 2003 |
![Arizona Strip, AZ, 2004](https://a4.pbase.com/v3/64/297864/3/44996637.20050611_43.jpg) Arizona Strip, AZ, 2004 |
![Grand Canyon, AZ, 2007](https://a4.pbase.com/g6/64/297864/3/83919732.qpCiM4vd.jpg) Grand Canyon, AZ, 2007 |
![Andes and Lenticular Clouds, Chile, 2011](https://a4.pbase.com/g4/64/297864/3/135641598.szBlELRI.jpg) Andes and Lenticular Clouds, Chile, 2011 |
![Andes, Chile, 2011](https://a4.pbase.com/g4/64/297864/3/135641615.gM4T0FSl.jpg) Andes, Chile, 2011 |
![Storm, Organ Pipe Cactus Nat. Mon., AZ, 2004](https://a4.pbase.com/u41/polakis/medium/26971048.a12.jpg) Storm, Organ Pipe Cactus Nat. Mon., AZ, 2004 |
![Colorado Plateau, AZ, 2007](https://a4.pbase.com/g6/64/297864/3/83920062.Gv86RmIJ.jpg) Colorado Plateau, AZ, 2007 |
![Rainbow over Cook Inlet, Homer, AK, 2005](https://a4.pbase.com/v3/64/297864/3/49667539.25.jpg) Rainbow over Cook Inlet, Homer, AK, 2005 |
![Oregon Coast, 2010](https://a4.pbase.com/g3/64/297864/3/121191130.RkqJKn9G.jpg) Oregon Coast, 2010 |
![Oregon Coast, 2010](https://a4.pbase.com/g3/64/297864/3/121191135.AEMsLJ6A.jpg) Oregon Coast, 2010 |
![Oregon Coast, 2010](https://a4.pbase.com/g3/64/297864/3/121191139.QS0RbvtE.jpg) Oregon Coast, 2010 |
![Resurrection Bay near Seward, AK, 2005](https://a4.pbase.com/v3/64/297864/3/49585203.12.jpg) Resurrection Bay near Seward, AK, 2005 |
![Lake Michigan Ice, Muskegon, MI, 2008](https://a4.pbase.com/g1/64/297864/3/93511562.kCS5bdIT.jpg) Lake Michigan Ice, Muskegon, MI, 2008 |
![Aialik Glacier, AK, 2005](https://a4.pbase.com/v3/64/297864/3/49585206.15.jpg) Aialik Glacier, AK, 2005 |
![Exit Glacier, AK, 2005](https://a4.pbase.com/v3/64/297864/3/49585211.20.jpg) Exit Glacier, AK, 2005 |
![Bruneau Sand Dunes, Idaho, 2009](https://a4.pbase.com/g1/64/297864/3/116561614.tYX4Ilcu.jpg) Bruneau Sand Dunes, Idaho, 2009 |
![Mackinac Bridge, MI, 2011](https://a4.pbase.com/g4/64/297864/3/137928624.fwyR9mVR.jpg) Mackinac Bridge, MI, 2011 |
![Iwo Jima, Japan, 2009](https://a4.pbase.com/g1/64/297864/3/115793535.iIuecMSf.jpg) Iwo Jima, Japan, 2009 |
![White Sands Nat. Mon., NM, 2006](https://a4.pbase.com/v3/64/297864/3/50230936.CRW_1705.jpg) White Sands Nat. Mon., NM, 2006 |
![View from Side Canyon, Namibia, 2004](https://a4.pbase.com/u47/polakis/medium/34020478.CRW_1843.jpg) View from Side Canyon, Namibia, 2004 |
![Glamis, CA, 2008](https://a4.pbase.com/g5/64/297864/3/101293517.nW0xfs5D.jpg) Glamis, CA, 2008 |
![Dune 45 at Sossuvlei, Namibia, 2004](https://a4.pbase.com/u47/polakis/medium/34020480.CRW_1909.jpg) Dune 45 at Sossuvlei, Namibia, 2004 |
![Valle de la Luna, Chile, 2011](https://a4.pbase.com/g4/64/297864/3/135641590.TanggqEs.jpg) Valle de la Luna, Chile, 2011 |
![Hiker Shadow on Dune 44, Namibia, 2004](https://a4.pbase.com/u47/polakis/medium/34020482.CRW_2178.jpg) Hiker Shadow on Dune 44, Namibia, 2004 |
![Colorado Plateau, Cliff Dwellers, AZ, 2008](https://a4.pbase.com/g5/64/297864/3/99351239.uMXT7Hjd.jpg) Colorado Plateau, Cliff Dwellers, AZ, 2008 |
![Dead Vlei, Namibia, 2004](https://a4.pbase.com/u47/polakis/medium/34130952.deadvlei.jpg) Dead Vlei, Namibia, 2004 |
![Craters of the Moon, Idaho, 2009](https://a4.pbase.com/g1/64/297864/3/116561554.P5HWxTds.jpg) Craters of the Moon, Idaho, 2009 |
![SP Crater, AZ, 2008](https://a4.pbase.com/g3/64/297864/3/101582095.HHNnKwxf.jpg) SP Crater, AZ, 2008 |
![SP Crater, AZ, 2008](https://a4.pbase.com/g3/64/297864/3/101582096.LOg5c7Ck.jpg) SP Crater, AZ, 2008 |
![Red Mountain, Flagstaff, AZ, 2008](https://a4.pbase.com/g3/64/297864/3/95397788.ugIQlvlR.jpg) Red Mountain, Flagstaff, AZ, 2008 |
![Craters of the Moon, Idaho, 2009](https://a4.pbase.com/g1/64/297864/3/116561571.rYn4EoEx.jpg) Craters of the Moon, Idaho, 2009 |
![Andes, Chile, 2011](https://a4.pbase.com/g4/64/297864/3/135641601.ZBWQopcV.jpg) Andes, Chile, 2011 |
![Andes, Chile, 2011](https://a4.pbase.com/g4/64/297864/3/135641608.5LylG2le.jpg) Andes, Chile, 2011 |
![Valle de la Luna, Chile, 2011](https://a4.pbase.com/g4/64/297864/3/135641587.IbpbSuH9.jpg) Valle de la Luna, Chile, 2011 |
![Grand Canyon, AZ, 2007](https://a4.pbase.com/g6/64/297864/3/83919731.wudNxPo3.jpg) Grand Canyon, AZ, 2007 |
![Palm Canyon, Quartzsite, AZ, 2009](https://a4.pbase.com/g1/64/297864/3/110597559.gn8G84Up.jpg) Palm Canyon, Quartzsite, AZ, 2009 |
![Grand Canyon, AZ, 2007](https://a4.pbase.com/g6/64/297864/3/83919736.tSxOxyVp.jpg) Grand Canyon, AZ, 2007 |
![Grand Canyon, AZ, 2007](https://a4.pbase.com/g6/64/297864/3/83919456.xekREZjr.jpg) Grand Canyon, AZ, 2007 |
![Grand Falls, AZ, 2008](https://a4.pbase.com/g3/64/297864/3/101582070.tFesMyir.jpg) Grand Falls, AZ, 2008 |
![Grand Canyon from Watchtower, AZ, 2007](https://a4.pbase.com/g3/64/297864/3/90054762.u4mSZG8p.jpg) Grand Canyon from Watchtower, AZ, 2007 |
![Superior, AZ, 2008](https://a4.pbase.com/g5/64/297864/3/100859237.j2ePIztz.jpg) Superior, AZ, 2008 |
![South Mountain Petroglyphs, Phoenix, AZ, 2008](https://a4.pbase.com/g1/64/297864/3/97246740.cfkCpXBh.jpg) South Mountain Petroglyphs, Phoenix, AZ, 2008 |
![Desert Bloom, Kofa, AZ, 2009](https://a4.pbase.com/g1/64/297864/3/110597542.Xq7LPNdZ.jpg) Desert Bloom, Kofa, AZ, 2009 |
![Kobe, Japan, 2009](https://a4.pbase.com/g1/64/297864/3/115793450.zpTxj79W.jpg) Kobe, Japan, 2009 |
![Valparaiso, Chile, 2011](https://a4.pbase.com/g4/64/297864/3/135641786.kym81Xxj.jpg) Valparaiso, Chile, 2011 |
![Valparaiso, Chile, 2011](https://a4.pbase.com/g4/64/297864/3/135641777.rGfWiqct.jpg) Valparaiso, Chile, 2011 |
![Great Wall in Beijing, China, 2009](https://a4.pbase.com/g1/64/297864/3/115793136.TfDlnT5R.jpg) Great Wall in Beijing, China, 2009 |
![Beijing Airport, China, 2009](https://a4.pbase.com/g1/64/297864/3/115793554.Y576xa7s.jpg) Beijing Airport, China, 2009 |
![Superior, AZ, 2008](https://a4.pbase.com/g5/64/297864/3/100859261.UZIflEdU.jpg) Superior, AZ, 2008 |
![Summer Palace, China, 2009](https://a4.pbase.com/g1/64/297864/3/115793082.gMhrpd95.jpg) Summer Palace, China, 2009 |
![Summer Palace, China, 2009](https://a4.pbase.com/g1/64/297864/3/115793071.rxhp7kFU.jpg) Summer Palace, China, 2009 |
![Rain in Beijing, China, 2009](https://a4.pbase.com/g1/64/297864/3/115793146.uXYBte7B.jpg) Rain in Beijing, China, 2009 |
![Forbidden Palace, China, 2009](https://a4.pbase.com/g1/64/297864/3/115793123.Nv3nRLGw.jpg) Forbidden Palace, China, 2009 |
![Cheju, South Korea, 2009](https://a4.pbase.com/g1/64/297864/3/115793648.Yh84q9r0.jpg) Cheju, South Korea, 2009 |
![Joshua Tree N.P., CA, 2010](https://a4.pbase.com/g3/64/297864/3/121191196.HzKOI8fE.jpg) Joshua Tree N.P., CA, 2010 |
![San Joaquin Valley, CA, 2010](https://a4.pbase.com/g3/64/297864/3/121191167.SjKbvlJR.jpg) San Joaquin Valley, CA, 2010 |
![Tocopilla, Chile, 2011](https://a4.pbase.com/g4/64/297864/3/135641741.naLgxKiY.jpg) Tocopilla, Chile, 2011 |
![Lake Superior, MI, 2013](https://a4.pbase.com/g12/64/297864/3/168968341.3w9PzMET.jpg) Lake Superior, MI, 2013 |
![Apache Trail, AZ, 2013](https://a4.pbase.com/g12/64/297864/3/168968342.fP9E8cBy.jpg) Apache Trail, AZ, 2013 |
![Snow in the Superstition Mountains, 2019](https://a4.pbase.com/g12/64/297864/3/172614705.S7gIKLNF.jpg) Snow in the Superstition Mountains, 2019 |
![Cholla Skeleton, 2019](https://a4.pbase.com/g12/64/297864/3/172614704.1mAic5wN.jpg) Cholla Skeleton, 2019 |
![Fog at South Mountain, 2021](https://a4.pbase.com/g12/64/297864/3/172614706.Pe8TaXAa.jpg) Fog at South Mountain, 2021 |
![Weavers Needle, 2022](https://a4.pbase.com/g12/64/297864/3/172614707.blb319io.jpg) Weavers Needle, 2022 |
![Picketpost Mountain, 2022](https://a4.pbase.com/g12/64/297864/3/172614708.bIvHsaEf.jpg) Picketpost Mountain, 2022 |
![Pinacate, Mexico, 2014](https://a4.pbase.com/g12/64/297864/3/168968343.KvMk6Lx7.jpg) Pinacate, Mexico, 2014 |
![Muskegon, Michigan, 2014](https://a4.pbase.com/g12/64/297864/3/168968344.jMLXOF8n.jpg) Muskegon, Michigan, 2014 |
![Southern Utah, 2016](https://a4.pbase.com/g12/64/297864/3/168968345.Otg97V5q.jpg) Southern Utah, 2016 |
![Canyonlands National Park, Utah, 2016](https://a4.pbase.com/g12/64/297864/3/168968346.SKAqNd3e.jpg) Canyonlands National Park, Utah, 2016 |
![Iceland, 2016](https://a4.pbase.com/g12/64/297864/3/168968347.LRsGVukj.jpg) Iceland, 2016 |
![Iceland, 2016](https://a4.pbase.com/g12/64/297864/3/168968348.pxSBhVnT.jpg) Iceland, 2016 |
![Iceland, 2016](https://a4.pbase.com/g12/64/297864/3/168968349.X40V5f2J.jpg) Iceland, 2016 |
![Iceland, 2016](https://a4.pbase.com/g12/64/297864/3/168968350.eZb3Jlp8.jpg) Iceland, 2016 |
![Iceland, 2016](https://a4.pbase.com/g12/64/297864/3/168968351.6EzIhaFn.jpg) Iceland, 2016 |
![Iceland, 2016](https://a4.pbase.com/g12/64/297864/3/168968352.S2aHzgcF.jpg) Iceland, 2016 |
![Phoenix, AZ, 2017](https://a4.pbase.com/g12/64/297864/3/168968353.qMGVOFRD.jpg) Phoenix, AZ, 2017 |
![Alberta, Canada, 2017](https://a4.pbase.com/g12/64/297864/3/168968354.VwyoP2Vy.jpg) Alberta, Canada, 2017 |
![Death Valley, CA, 2018](https://a4.pbase.com/g12/64/297864/3/168968355.TmORmlRU.jpg) Death Valley, CA, 2018 |
![Death Valley, CA, 2018](https://a4.pbase.com/g12/64/297864/3/168968356.rUuUgj4Q.jpg) Death Valley, CA, 2018 |
![Death Valley, CA, 2018](https://a4.pbase.com/g12/64/297864/3/168968357.JbsyS5FK.jpg) Death Valley, CA, 2018 |
![Death Valley, CA, 2018](https://a4.pbase.com/g12/64/297864/3/168968358.SaXfmbL0.jpg) Death Valley, CA, 2018 |
![Death Valley, CA, 2019](https://a4.pbase.com/g12/64/297864/3/168968359.CdrTi3yi.jpg) Death Valley, CA, 2019 |
![Death Valley, CA, 2019](https://a4.pbase.com/g12/64/297864/3/168968360.oP5rAHpe.jpg) Death Valley, CA, 2019 |
![Death Valley, CA, 2019](https://a4.pbase.com/g12/64/297864/3/168968361.R9SAMcJs.jpg) Death Valley, CA, 2019 |
![Death Valley, CA, 2019](https://a4.pbase.com/g12/64/297864/3/168968362.zbqg42yS.jpg) Death Valley, CA, 2019 |
![Death Valley, 2019](https://a4.pbase.com/g12/64/297864/3/172614709.E4O1NS8F.jpg) Death Valley, 2019 |
![Superstition Mountains, AZ, 2019](https://a4.pbase.com/g12/64/297864/3/168968363.5NyaCDdx.jpg) Superstition Mountains, AZ, 2019 |
![Superstition Mountains, AZ, 2019](https://a4.pbase.com/g12/64/297864/3/168968364.GPZBMlUx.jpg) Superstition Mountains, AZ, 2019 |