National Art Center, designed by architect Kisho Kurokawa, housing 20th century paintings and modern art, Roppongi, Tokyo, Japan

Spring cherry blossoms, The National Art center, Roppongi, Tokyo, Japan, Asia

National Art Center, designed by architect Kisho Kurokawa, housing 20th century paintings and modern art, Roppongi, Tokyo, Japan

National Art Center, Roppongi, Tokyo, Japan, Asia

National Art Center, Roppongi, Tokyo, Japan, Asia

Lifesize bronze statues of the 42 delegates to the Constitutional Convention, Signers' Hall, National Constitution Center, Independence Mall, Philadelphia, Pennsylvania, United States of America, North America

Lifesize bronze statues of the 42 delegates to the Constitutional Convention, Signers' Hall, National Constitution Center, Independence Mall, Philadelphia, Pennsylvania, United States of America, North America

Tourists sit on lion statues in front of National Gallery in Trafalgar Square, London, United Kingdom

Lifesize bronze statues of the 42 delegates to the Constitutional Convention, Signers' Hall, National Constitution Center, Independence Mall, Philadelphia, Pennsylvania, United States of America, North America

Museo Nacional de Arte (National Museum of Art), Historic Center, Mexico City, Mexico, North America

Fountains in front of National Gallery in Trafalgar Square, London, United Kingdom

Facade of National Museum of Art, Casa de Francisco Tadeo Diez de Medina, La Paz, Bolivia

Altes Museum in foreground, National Gallery in the background, Museum Island, berlin, Germany

Cement squares, steles of the Holocaust Memorial, Mitte district, Berlin, Germany, Europe

Monument of the Albanian national hero Gjergj Kastrioti, known as Skanderbeg, by Odhise Paskali, William Rappard Park, Center William Rappard in the back, Geneva, Switzerland, Europe

Marble main entrance of Academy of Athens, national research center, columns or pillars with Athena, ancient Greek goddess and patron of city, and Apollo, ancient Greek god and patron of arts and science. National Greek flag. Summer day, blue sky

Memorial for the national heroes, Ludovit Stur, Bratislava, Slovakia

Norwegian Church Arts Centre and Coffee Shop behind mosaic marble Captain Scott Memorial by Jonathan Williams, Cardiff Bay, Cardiff, Caerdydd, South Glamorgan, Wales, United Kingdom, Europe

Information Center at the Smithsonian Institution Building, admin building and museum, known as "the Castle", National Mall, Washington DC, District of Columbia, United States of America, USA, PublicGround

Monument of King Joseph Maximilian II of Bavaria made of bronze, opera building, National Theatre, Bavarian State Opera, Max-Joseph-Platz square, downtown, city centre, Munich, capital city of Bavaria, Upper Bavaria, Bavaria, Germany, Europe

Statue of Ibn Chaldun in Tunis, Tunisia

Monument of King Joseph Maximilian II of Bavaria made of bronze, opera building, National Theatre, Bavarian State Opera, Max-Joseph-Platz square, downtown, city centre, Munich, capital city of Bavaria, Upper Bavaria, Bavaria, Germany, Europe

Visitor center, Arches National Park, Moab, Utah, USA