In this picture taken on Wednesday, Nov. 5, 2014, preschoolers pass by a slab of the Berlin Wall on display in Battery Park City, New York. The wall that once separated East from West Berlin has largely disappeared from the city. The few sections that remain stand as potent monuments to the ideological divisions of the Cold War. But 25 years after the Berlin Wall fell, some 120 parts of it can now be found in more than 40 countries, from Britain to South Africa and the United States.  In this picture taken on Wednesday, Nov. 5, 2014, preschoolers pass...  In this picture taken Wednesday, Nov. 5, 2014, a section of the Berlin Wall stands outside the European Parliament in Brussels. The wall that once separated East from West Berlin has largely disappeared from the city. The few sections that remain stand as potent monuments to the ideological divisions of the Cold War. But 25 years after the Berlin Wall fell, some 120 parts of it can now be found in more than 40 countries, from Britain to South Africa and the United States.  In this picture taken Wednesday, Nov. 5, 2014, a section of the...  In this picture taken Wednesday, Nov. 5, 2014, a piece of the Berlin Wall stands on display outside the Social Sciences building at Kennesaw State University in Kennesaw, Georgia. The wall that once separated East from West Berlin has largely disappeared from the city. The few sections that remain stand as potent monuments to the ideological divisions of the Cold War. But 25 years after the Berlin Wall fell, some 120 parts of it can now be found in more than 40 countries, from Britain to South Africa and the United States.  In this picture taken Wednesday, Nov. 5, 2014, a piece of the...  In this picture taken Wednesday, Nov. 5, 2014, Julio Fernandez sprays air freshener while mopping up a mess in a bathroom at the Main Street Station casino, Las Vegas. The wall holding up the urinals is a piece of the Berlin Wall. The wall that once separated East from West Berlin has largely disappeared from the city. The few sections that remain stand as potent monuments to the ideological divisions of the Cold War. But 25 years after the Berlin Wall fell, some 120 parts of it can now be found in more than 40 countries, from Britain to South Africa and the United States.  In this picture taken Wednesday, Nov. 5, 2014, Julio Fernandez...  In this photo taken Thursday, Nov. 6, 2014, a segment of the Berlin wall is seen in Paris. The wall that once separated East from West Berlin has largely disappeared from the city. The few sections that remain stand as potent monuments to the ideological divisions of the Cold War. But 25 years after the Berlin Wall fell, some 120 parts of it can now be found in more than 40 countries, from Britain to South Africa and the United States.  In this photo taken Thursday, Nov. 6, 2014, a segment of the Berlin...  In this photo taken Thursday, Nov. 6, 2014, people walk past a segment of the Berlin Wall installed in front of the German Embassy in Kiev, Ukraine. The wall that once separated East from West Berlin has largely disappeared from the city. The few sections that remain stand as potent monuments to the ideological divisions of the Cold War. But 25 years after the Berlin Wall fell, some 120 parts of it can now be found in more than 40 countries, from Britain to South Africa and the United States.  In this photo taken Thursday, Nov. 6, 2014, people walk past a...  In this picture taken Thursday, Nov. 6, 2014, a man enters Editorial Perfil where behind a glass stands segments of the Berlin Wall in Buenos Aires, Argentina. The wall that once separated East from West Berlin has largely disappeared from the city. The few sections that remain stand as potent monuments to the ideological divisions of the Cold War. But 25 years after the Berlin Wall fell, some 120 parts of it can now be found in more than 40 countries, from Britain to South Africa and the United States.  In this picture taken Thursday, Nov. 6, 2014, a man enters...  In this photo taken Wednesday, Nov. 5, 2014, a woman sips coffee as she walks past a portion of the Berlin Wall on permanent display in the Seattle Center's Armory in Seattle. The wall that once separated East from West Berlin has largely disappeared from the city. The few sections that remain stand as potent monuments to the ideological divisions of the Cold War. But 25 years after the Berlin Wall fell, some 120 parts of it can now be found in more than 40 countries, from Britain to South Africa and the United States.  In this photo taken Wednesday, Nov. 5, 2014, a woman sips coffee as...  In this picture taken Thursday, Nov. 6, 2014, a pedestrian walks past a section of the Berlin Wall, in Berlin Square, in Guatemala City. The wall that once separated East from West Berlin has largely disappeared from the city. The few sections that remain stand as potent monuments to the ideological divisions of the Cold War. But 25 years after the Berlin Wall fell, some 120 parts of it can now be found in more than 40 countries, from Britain to South Africa and the United States.  In this picture taken Thursday, Nov. 6, 2014, a pedestrian walks...  In this picture taken Wednesday, Nov. 5, 2014, a note from then U.S. President George H.W. Bush is written on a large slab of the Berlin Wall in a sculpture outside the George Bush Presidential Library in College Station, Texas. The wall that once separated East from West Berlin has largely disappeared from the city. The few sections that remain stand as potent monuments to the ideological divisions of the Cold War. But 25 years after the Berlin Wall fell, some 120 parts of it can now be found in more than 40 countries, from Britain to South Africa and the United States.  In this picture taken Wednesday, Nov. 5, 2014, a note from then...  In this picture taken Thursday, Nov. 6, 2014, a segment of the Berlin Wall, left, stands outside an EF Education First building, in Cambridge, Mass. The wall that once separated East from West Berlin has largely disappeared from the city. The few sections that remain stand as potent monuments to the ideological divisions of the Cold War. But 25 years after the Berlin Wall fell, some 120 parts of it can now be found in more than 40 countries, from Britain to South Africa and the United States.  In this picture taken Thursday, Nov. 6, 2014, a segment of the...  In this picture taken Friday, Nov. 7, 2014, runners pass a segment of the Berlin Wall outside the Harmonie German Club of Canberra in Canberra, Australia. The wall that once separated East from West Berlin has largely disappeared from the city. The few sections that remain stand as potent monuments to the ideological divisions of the Cold War. But 25 years after the Berlin Wall fell, some 120 parts of it can now be found in more than 40 countries, from Britain to South Africa and the United States.  In this picture taken Friday, Nov. 7, 2014, runners pass a segment...  In this picture taken Thursday, Nov. 6, 2014, a piece of the Berlin wall stands outside the Dada Museum in Ein Hod village, Israel. The wall that once separated East from West Berlin has largely disappeared from the city. The few sections that remain stand as potent monuments to the ideological divisions of the Cold War. But 25 years after the Berlin Wall fell, some 120 parts of it can now be found in more than 40 countries, from Britain to South Africa and the United States.  In this picture taken Thursday, Nov. 6, 2014, a piece of the...  This picture taken Oct. 29, 2014 shows a segment of the Berlin Wall in front of the Magdeburg, eastern Germany, cathedral. The wall that once separated East from West Berlin has largely disappeared from the city. The few sections that remain stand as potent monuments to the ideological divisions of the Cold War. But 25 years after the Berlin Wall fell, some 120 parts of it can now be found in more than 40 countries, from Britain to South Africa and the United States.  This picture taken Oct. 29, 2014 shows a segment of the Berlin Wall...  In this picture taken Friday, Nov. 7, 2014, three sections of the Berlin Wall are displayed near the Cheonggye stream in Seoul, South Korea. The wall that once separated East from West Berlin has largely disappeared from the city. The few sections that remain stand as potent monuments to the ideological divisions of the Cold War. But 25 years after the Berlin Wall fell, some 120 parts of it can now be found in more than 40 countries, from Britain to South Africa and the United States.  In this picture taken Friday, Nov. 7, 2014, three sections of the...  In this photo taken Wednesday, Nov. 5, 2014, in Chicago, a bus departs the Chicago Transit Authority's Brown Line, Western Ave. train station past a section of the Berlin Wall on display. The wall that once separated East from West Berlin has largely disappeared from the city. The few sections that remain stand as potent monuments to the ideological divisions of the Cold War. But 25 years after the Berlin Wall fell, some 120 parts of it can now be found in more than 40 countries, from Britain to South Africa and the United States.  In this photo taken Wednesday, Nov. 5, 2014, in Chicago, a bus...  In this picture taken Wednesday, Jan. 15, 2014, a piece of the Berlin Wall is seen outside the Imperial War Museum in London. The wall that once separated East from West Berlin has largely disappeared from the city. The few sections that remain stand as potent monuments to the ideological divisions of the Cold War. But 25 years after the Berlin Wall fell, some 120 parts of it can now be found in more than 40 countries, from Britain to South Africa and the United States.  In this picture taken Wednesday, Jan. 15, 2014, a piece of the...
In Cape Town, a segment can be found near the Mandela Rhodes Foundation, an organization dedicated to the man who helped overcome South Africa's Apartheid system and later became its first black president.  Many were collected by trophy hunters, known as "Mauerspechte" or "Wall peckers," who chipped away at the concrete barrier after the peaceful revolution of 1989 that signaled its end.