Rockers

Big Meadows Lodge, Shenandoah National Park, Virginia, 2016.

Photo by I. Peterson

Shenandoah Sunset

Big Meadows Lodge, Shenandoah National Park, Virginia, 2016.

Photo by I. Peterson

Pictographs at Ginkgo

Pictographs. Ginkgo Petrifed Forest State Park, Vantage, Washington, 1977.

Photos by I. Peterson

Foxtail Fern

Foxtail fern (Asparagus densiflorus). University of North Florida, Jacksonville, Florida, 2012.

Photo by I. Peterson

Gator Smile

Metro Toronto Zoo, 1975.

Photo by I. Peterson

Window Arch Symmetry

East Tennessee State University, Johnson City, Tennessee, 2008.

Photo by I. Peterson

Plum Bob

The Plunge by Janet Lofquist. University of St. Thomas, St. Paul, Minnesota, 2010.

Photos by I. Peterson

Jags and Bands

Badlands National Park, South Dakota, 1977.

Photo by I. Peterson

Stone Barns Vane

Weather vane. Stone Barns Center for Food & Agriculture, Pocantico Hills, New York, 2014.

Photo by I. Peterson

Building Trapezoids

Emeritus Hall, Santa Rosa Junior College. Santa Rosa, California, 2011.

Photo by I. Peterson

Fractal Torso

Fractal Torso III by Nat Friedman. Exhibition of Mathematical Art, Joint Mathematics Meetings, San Diego, California, 2008.

Photo by I. Peterson

Driftwood

Photo by I. Peterson

San Jose Reflections

San Jose, California, 2007.

Photo by I. Peterson

Skygate

Skygate by Roger Barr. The Embarcadero, San Francisco, 2014.

Photo by I. Peterson

Arch and Catenary

Hanging chain catenary and photo of the Gateway Arch, St. Louis. Exploratorium, San Francisco, 2013.

Photo by I. Peterson

Migration

Migration by Allan Houser. New Mexico Museum of Art, Santa Fe, New Mexico, 2016.

Photo by I. Peterson

Snow Leopard Cactus

Whipple's cholla "Snow Leopard" (Cylindropuntia whipplei) cactus. Santa Fe Botanical Garden, Santa Fe, New Mexico, 2016.

Photo by I. Peterson

Warren Truss Bridge

A Warren truss bridge. Kearny's Gap Bridge, Santa Fe Botanical Garden, Santa Fe, New Mexico, 2016.

Photos by I. Peterson

Rainbow Pillars

Double rainbow at dawn. Santa Fe, New Mexico, 2016.

Photo by I. Peterson

Wind Baffles

Wind (and rain and acoustic) baffles. Crosby Theatre, Santa Fe Opera, New Mexico, 2016.

Photos by I. Peterson

Bandelier Pictograph

Ancestral Pueblo Pictograph. Bandelier National Monument, Los Alamos, New Mexico, 2016.

Photos by I. Peterson

Santa Fe Dualities

Dualities by Dan Namingha. Santa Fe Community Convention Center, Santa Fe, New Mexico, 2016.

Photos by I. Peterson

Tome on the Range

Bookstore, Las Vegas, New Mexico, 2016.

Photo by I. Peterson

Intersecting Rods

Memorial Structure by Herbert Bayer. Peyton Wright Gallery, Santa Fe, New Mexico, 2016.

Photos by I. Peterson

Full Moon at Sunrise

Santa Fe, New Mexico, 2016.

Photo by I. Peterson

Butterfly Wings

Metamorphic Synergy by Dan Cummings and Dana Kuglin, Meldrum Science Center. Westminster College, Salt Lake City, Utah, 2012.

Photos by I. Peterson

Assembly View

Saskatchewan Legislative Assembly. Regina, Saskatchewan, 1978.

Photo by I. Peterson

Land, Sea, and Sky

Gaspe peninsula, Quebec, 1973.

Photo by I. Peterson

Glass Fish

Motion in the Ocean by Robert Kuster. Quark Park, Princeton, New Jersey, 2006.

Glass artist Robert Kuster collaborated with Princeton University mechanical engineer Naomi Ehrich Leonard to create a school of glass fish.

Photos by I. Peterson

Caput Regni

Old Town Hall. Prague, Czechoslovakia, 1985.

Photos by I. Peterson

Spherical Reflections

Light fixtures. Justice Center, Portland, Oregon, 2014.

Photos by I. Peterson