The Martin Luther King Memorial on the National Mall in Washington, D.C., United States of America, North America

Martin Luther King JR Memorial, Washington D.C., United States of America, North America

Mural, cuba. Havana. Pedestrians walking past a wall painting in the old part of havana

Exterior view of the Martin Luther King Memorial, Washington D.C., United States of America, North America

Martin Luther King Memorial Mural by Louis Delsarte, Martin Luther King Jr. National Historic Site, Atlanta, Georgia, United States of America, North America

View of the Martin Luther King Jr. Memorial and cherry blossom trees in spring, Washington D.C., United States of America, North America

Tomb, Martin Luther King Jr. National Historic Site, Atlanta, Georgia, United States of America, North America

View of the Martin Luther King Jr. Memorial, Washington D.C., United States of America, North America

View of the Martin Luther King Jr. Memorial and cherry blossom trees in Spring, Washington D.C., United States of America, North America

Martin Luther King Jr. Library, University of San Jose, Silicon Valley, California, United States of America, North America

Lizz Grenard at the Ouray Ice Festival uses ice axes and crampons as tools and a rope and harness for safety. The Ouray Ice Festival is held once a year during the Martin Luther King weekend in Ouray, Colorado in the Uncompahgre Gorge.

Steve Giddings makes his way up a frozen waterfall at the Ouray Ice Festival in Ouray, Colorado. Ice climbers require ice axes, crampons, rope and harness as well as a great deal of balance and focus. The Ouray Ice Festival is located in the Uncompahgre Gorge and is held once a year during Martin Luther King weekend.

Kelly Cordes makes his way up a frozen waterfall using ice axes and crampons as well as balance and focus. The Ouray Ice Park is located in the Uncompahgre Gorge in Ouray Colorado. The Park is funded mostly by the Ouray Ice Festival that happens every Martin Luther King weekend and by the festivals corporate sponsers.

Martin Luther King Junior Memorial, Located On Four Acres Along Tidal Basin, Dedicated In 2011, 30 Foot Granite Sculpture Called Stone Of Hope By Lei Yixen, Washington Monument In The Background, Washington, District Of Columbia, United States Of America

Martin Luther King Junior Memorial, Located On Four Acres Along Tidal Basin, Dedicated In 2011, 30 Foot Granite Sculpture Called Stone Of Hope By Lei Yixen, Washington, District Of Columbia, United States Of America

USA, Washington DC, National Mall, Lincoln Memorial, Martin Luther King march engraving in front of the peristyle commemorating his I have a dream speech during the March on Washington for Jobs and Freedom on August 28th 1963.

USA, Washington DC, National Mall, Martin Luther King Junior Memorial.

USA, Washington DC, National Mall, Martin Luther King Junior Memorial.

USA, Washington DC, National Mall, Martin Luther King Junior Memorial.

USA, Washington DC, National Mall, Martin Luther King Junior Memorial, Jefferson Memorial in background.

USA, Washington DC, National Mall, Martin Luther King Junior Memorial.

USA, Washington DC, National Mall, Martin Luther King Junior Memorial.

Ireland, North, Derry, The People's Gallery series of murals in the Bogside, Mural known as "A Tribute to John Hume".