
Albuquerque Monsoon Clouds, New Mexico, 2011
Albuquerque Monsoon Clouds, New Mexico, 2011
Evening sun pokes through a summer monsoon thunderstorm.

Basel Gothic Faรงade, Switzerland, 2012
Basel Gothic Faรงade, Switzerland, 2012
A church in Basel towers over commuters rushing to work.

Basel Mittlere Brucke Switzerland, 2012
Basel Mittlere Brucke Switzerland, 2012
A long-exposure, mid-morning panorama of a bridge in Basel- no one stops long enough for the camera to capture her passing form.

Bosque del Apache Cottonwood, New Mexico, 2011
Bosque del Apache Cottonwood, New Mexico, 2011
Late-afternoon winter sunlight shines through a cottonwood.

Buckskin Gulch Slot Canyon, Utah, 2013
Buckskin Gulch Slot Canyon, Utah, 2013
Flash floods and wind have eroded this sandstone into undulating forms.

Dinwoody Creek, Wyoming, 2011
Dinwoody Creek, Wyoming, 2011
Glaciers grind away at Gannett Peak, emptying milky glacial outwash water into this stream.

Episcopal Church, Newton, Massachusetts, 2012
Episcopal Church, Newton, Massachusetts, 2012
Winter clouds over a church in Newton.

Eroded Mudstone, Arizona, 2012
Eroded Mudstone, Arizona, 2012
Wind and water wear down this mudstone, which took millions of years to form. Yet, humans are affecting the area much more quickly: people steal petrified wood from Petrified Forest National park every year, rapidly changing the landscape.

Eroded Obelisk, Newton, Massachusetts, 2012
Eroded Obelisk, Newton, Massachusetts, 2012
Acid rain and wind have eaten away at this monument in an old cemetery.

Grand Canyon and Storm Clouds, Arizona, 2013
Grand Canyon and Storm Clouds, Arizona, 2013
Over time, storm clouds like these play an important role in delivering the rain that has created the canyon as we know it today.

Romero Stream after Rain, Catalina State Park, Arizona, 2013
Romero Stream after Rain, Catalina State Park, Arizona, 2013
Relatively rare rainstorms in the mountains of southern Arizona deliver much-needed rain to the Sonoran desert.

Sandia Mushroom Cloud, New Mexico, 2012
Sandia Mushroom Cloud, New Mexico, 2012
A giant convective thundercloud rolls over central New Mexico bringing relief to the August heat.

Staubbachfall, Switzerland, 2012
Staubbachfall, Switzerland, 2012
This waterfall starts as a small stream high up in the forest before gaining in volume and plunging over 1,000 feet to the valley below.

Storm Clouds from A Mountain, Tucson, Arizona, 2012
Storm Clouds from A Mountain, Tucson, Arizona, 2012
A long-exposure panorama of passing winter storm clouds in southern Arizona.

Time Passing After Sunset, Newton, Massachusetts, 2012
Time Passing After Sunset, Newton, Massachusetts, 2012
Wispy winter clouds blow by overhead as the sun sets behind a statue.

Tin Siding, Tucson, Arizona, 2012
Tin Siding, Tucson, Arizona, 2012
Summer heat bakes the paint off this warehouse side in Tucson.

Tucson Barrio, Arizona, 2012
Tucson Barrio, Arizona, 2012
Cacti rise up around this collapsing building.

Vermillion Cliffs and Clearing Clouds, Arizona, 2013
Vermillion Cliffs and Clearing Clouds, Arizona, 2013
Wind blows winter storm clouds over the Vermillion Cliffs. Clouds, rain, snow, ice, and wind have worn away at the rock to create the cliffs we see today.

Waiting at 190th Street, Washington Heights, New York, 2012
Waiting at 190th Street, Washington Heights, New York, 2012
Metal rusts and concrete erodes as commuters come and go in Washington Heights.

Warehouse Side, Tucson, Arizona, 2012
Warehouse Side, Tucson, Arizona, 2012
August evening heat soaks into black asphalt and warehouse siding in Tucson.