TRK831732: Italy. Milan. Cathedral. Gothic. 15th century. Interior. / Bridgeman Images

TRK831775: Italy. Milan. National Museum of Science and Technology Leonardo Da Vinci. Steam locomotive. Model GR. 746 F.S. Made in Breda, Milan. / Bridgeman Images

TRK831875: Finland. Helsinki Cathedral, 1830-1852. Designed by Carl Ludvig Engel. / Bridgeman Images

NSP829691: Leopard seal Hydrurga leptonyx, Antarctic peninsula (photo) / Bridgeman Images

TRK832818: Berlin Wall. Germany. / Bridgeman Images

NSP829712: Keel-billed toucan (Ramphastos sulfuratus), near Boca Tapada, Costa Rica, January 2011 (photo) / Bridgeman Images

NSP829736: Male Cape buffalo (Syncerus caffer), Masai Mara National Reserve, Kenya (photo) / Bridgeman Images

NSP829754: Fishing boat in Ha Long Bay, Vietnam (photo) / Bridgeman Images

TRK832879: Italy. Milan Catheral. Madona del Duomo, by Giuseppe Perego in 1774. / Bridgeman Images

NSP829766: Man in traditional Champa dress at Po Nagar, a Cham temple tower founded around 781 AD and located near Nha Trang in Vietnam (photo) / Bridgeman Images

NSP829778: Coracle style fishing boat in Baie du Cumon, Vietnam (photo) / Bridgeman Images

HGP833575: Blickling Hall, Norfolk (photo) / Bridgeman Images

SVA833876: Khafre and Khufu pyramids at Giza (photo) / Bridgeman Images

SIC830033: An Artist's Concept Of A Lunar Avalanche / Bridgeman Images

SIC830060: A Man Explaining A Steam Locomotive To A Group Of Children / Bridgeman Images

TRK831526: Italy. Rome. Fountain of the Nayades. 19th-20th centuries. / Bridgeman Images

TRK831537: Italy. Rome. Fountain of Neptune. Detail of Neptune's statue, 1878. / Bridgeman Images

TRK831761: Radio-receiver with superheterodyne circuit, 4 valves, only AM reception, model G175. 1952. / Bridgeman Images

TRK831771: Replica of the lab worktable of the Italian chemist Giulio Natta (1903-1979). / Bridgeman Images

TRK831806: Italy. Pavia. The Castle of Visconti. 1360-1366. By Galeazzo II Visconti. / Bridgeman Images

TRK831877: Finland. Helsinki Cathedral, 1830-1852. Designed by Carl Ludvig Engel. / Bridgeman Images

TRK831937: Little Castle Tower. Cesky Krumlov. Czech Republic. / Bridgeman Images

SVA833886: Entrance corridor to Kay tomb (photo) / Bridgeman Images

SVA833900: Tomb of Kaemankh, Giza (photo) / Bridgeman Images

LIT834016: Gopuram of Ramasvami temple, Kumbakonam, Tamil Nadu, India. Contemporary / Bridgeman Images

LIT834053: Angkot Wat, Angkor, Cambodia Early 12th Century with later additions.This detail of the reliefs in the gallery shows the THAI people marching as allied of the Khmer army / Bridgeman Images

LIT834119: Srah Srang, Ankhor, Cambodia Late 12th to 13th Century / Bridgeman Images

LIT834122: Ta Som, Angkor, Cambodia Late 12th Century and 13th Century / Bridgeman Images

HGP833607: St John's College, Cambridge (photo) / Bridgeman Images

HGP833610: Marketplace, Swaffham, Norfolk (photo) / Bridgeman Images

SIC829991: A Young Boy Makes Clay Figures As His Teacher Looks On, Chicago Public Schools Art Fair / Bridgeman Images

SIC829994: Two Young Girls Working On Papier Mache Art Pieces, Chicago Public Schools Art Fair / Bridgeman Images

SIC830195: Various Aircraft Hanging Inside The Museum Of Science And Industry / Bridgeman Images

TRK831542: Angel with the column. Statue by Antonio Raggi (1624-1686). Saint Angelo Bridge. Rome. / Bridgeman Images

TRK831545: Italy. Rome. Basilica of Saints Peter and Paul. Exterior. / Bridgeman Images

TRK831548: Italy. Rome. National Museum of Popular Arts and Traditions. / Bridgeman Images