October 11, 2014July 24, 2022 by Steven Michael Martin Effigy Mounds NM Click here to go to Effigy Mounds portfolio Read More › in Iowa / National Monuments / Voyageurs Trading Route
October 4, 2014June 4, 2022 by Steven Michael Martin Grand Portage NM Click here to go to Grand Portage Read More › in Minnesota / National Monuments / Voyageurs Trading Route
May 3, 2010March 29, 2020 by Steven Michael Martin John Day Fossil Beds NM and Columbia River Gorge Read More › in Fossils and Giants / National Monuments / Oregon / Prehistory
April 30, 2010March 31, 2020 by Steven Michael Martin Crater Lake NP and Lava Beds NM Read More › in California / Fossils and Giants / National Monuments / National Parks / NP - West / Oregon
November 23, 2009April 6, 2020 by Steven Michael Martin Castillo de San Marcos NM and Fort Matanzas NM – Saint Augustine Read More › in Florida / National Monuments
April 29, 2009April 5, 2020 by Steven Michael Martin Hovenweep NM Read More › in Colorado / Four Corners / National Monuments / Utah
April 27, 2009July 5, 2020 by Steven Michael Martin Grand Staircase Escalante NM – Coyote Gulch Read More › in Four Corners / National Monuments / Utah
April 24, 2009April 5, 2020 by Steven Michael Martin Lehman Caves NM Read More › in Four Corners / National Monuments / Nevada
October 14, 2008April 6, 2020 by Steven Michael Martin Muir Woods NM Read More › in California / National Monuments