July 20, 2017

Shore Sunset


Eastern Shore, Maryland, 1983.

Photo by I. Peterson

July 19, 2017

July 18, 2017

Banded Reflections


Kingston, Ontario, 1974.

Photo by I. Peterson

July 17, 2017

Window Arcs


Monona Terrace, Madison, Wisconsin, 2012.

See also "Window Integration."

Photo by I. Peterson

July 16, 2017

Marjorie Rice (1923-2017)


Pentagonal tiling created by Marjorie Rice (1923-2017). Mathematical Association of America headquarters, Washington, D.C., 2008.


Photo by I. Peterson

July 15, 2017

July 14, 2017

Water Cleft


Iceland, 1985.

Photo by I. Peterson

July 13, 2017

Hurricane Damage


Houston, Texas, 2008.

Photo by I. Peterson

July 12, 2017

Tropical Forest Mist


Kauai, Hawaii, 1983.

Photo by I. Peterson

July 11, 2017

July 10, 2017

Central Station


Bremen, Germany, 1985.

Photo by I. Peterson

July 9, 2017

July 8, 2017

Clouded Spire


Jonesborough United Methodist Church. Main Street, Jonesborough, Tennessee, 2017.

Photo by I. Peterson

July 7, 2017

Looking Glass Maker


Main Street, Jonesborough, Tennessee, 2017.


Photos by I. Peterson

July 6, 2017

Oak Hill School


Oak Hill School. Jonesborough, Tennessee, 2017.


Photos by I. Peterson

July 5, 2017

Facade Symmetries


Main Street, Jonesborough, Tennessee, 2017.


Photos by I. Peterson


July 4, 2017

July 3, 2017

Quiet Time


Warning sign. Sapara Monastery, Akhaltsikhe, Georgia, 2012.

Photo by I. Peterson

July 2, 2017

Armored Rider


Armor display. Tower of London, London, England, 1975.

Photo by I. Peterson

July 1, 2017

June 30, 2017

Peacock Pattern


Palace decoration. Jaipur India, 2010.

Photo by I. Peterson

June 29, 2017

Rust Streaks


Sculpture, Carnegie Mellon University, Pittsburgh, Pennsylvania, 2009.


Photos by I. Peterson

June 28, 2017

Scraping the Sky


Chicago, Illinois, 2009.

Photo by I. Peterson

June 27, 2017

Steel Nucleus


Nucleus by Tim Locke. Exhibition of Mathematical Art, Bridges 2012, Towson University, Towson. Maryland, 2012.

Photo by I. Peterson

June 26, 2017

Even Prime


Milepost. Skyline Drive, Shenandoah National Park, Virginia, 2010.

Photo by I. Peterson

June 25, 2017

Rock Island



Hopewell Rocks, New Brunswick, 1975.

Photo by I. Peterson

June 24, 2017

Misted Tree


Lake MacDonald, Quebec, 2009.

Photo by I. Peterson

June 23, 2017

California Sky


Sunset sky. Yosemite National Park, California, 1984.

Photo by I. Peterson

June 22, 2017

June 21, 2017

Solstice Marker


Stonehenge, Wiltshire, England, 1975.

The central avenue of Stonehenge points to the northernmost rising of the sun. At the summer solstice, observers can see the rising sun skim a large outlying marker known as the Heel Stone, framed by the monument's ancient pillars.


See also "Stonehenge Cycles."

Photos by I. Peterson

June 18, 2017

Spiky Stars


Design by Antoni Gaudi. Park Guell, Barcelona, Spain, 2007.

Photo by I. Peterson

June 17, 2017

Mosaic Petals


Mosaic panel with petal, square, and rhombus design. Antioch, 3rd century A.D., Baltimore Museum of Art, Baltimore, Maryland, 2012.

Photo by I. Peterson

June 16, 2017

Mandala Pair


Painted mandalas with rotational symmetry. Homage to St. EOM's Pasaquan by Eddie Owens Martin. Folk Art Park, Atlanta, Georgia.

See also "Star Mandala" and "Atlanta Mandala."

Photo by I. Peterson

June 15, 2017

Be on the Safe Side


Election sign. The Bahamas, 1969.

Photo by I. Peterson

June 14, 2017

Stadium Lights


University of Texas, Austin, Texas, 2009.

Photo by I. Peterson

June 13, 2017

June 12, 2017

Mall Castle


Smithsonian Institution Building (The Castle), as seen from the roof terrace, East Building, National Gallery of Art, Washington, D.C., 2017.

Photo by I. Peterson

June 11, 2017

City Halls of Toronto


Toronto City Halls, old and new. Toronto, Ontario, 1968.

Photo by I. Peterson

June 10, 2017

Outside In


Winona, Minnesota, 2008.

Photo by I. Peterson

June 8, 2017

Five Easy Pieces


Five Easy Pieces by Donald Lipski. Art Collection, Washington Convention Center, Washington, D.C., 2016.


Twitter: @TheEventsDC #artatthecenter
Washington Convention Center Art Collection (brochure)

Photos by I. Peterson

June 7, 2017

Domino Effect


Serie Cento E Doze Dominos (detail) by Jose Patricio. Art Collection, Washington Convention Center, Washington, D.C., 2017.




Twitter: @TheEventsDC #artatthecenter
Washington Convention Center Art Collection (brochure)

Photos by I. Peterson