The Academy of Natural Sciences of Philadelphia, photographed in 1912. Now know as the Academy of Natural Sciences of Drexel University, this building was the first natur...
This photo, taken sometime at the beginning of the 20th century, depicts the Sydney Town Hall on George Street (right) and St. Andews’s Cathedral (left). The former...
Crowds in New York City await the parading soldiers of the 369th U.S. Infantry Regiment. Formerly known as the 15th New York regulars, this unit was the first African Ame...
The Culebra Cut is an artificial valley that forms part of the Panama Canal, linking the Atlantic Ocean to the Gulf of Panama and hence the Pacific Ocean. Its total lengt...
The M107 175 mm self-propelled gun was designed in the early 1960s for long-range artillery support that could be transported by air if needed. While these guns were expo...
The Manhattan Bridge is a steel suspension bridge spanning the East River, a salt water tidal strait in New York City. This 2089 meter long bridge connects Lower Manhatta...
Sari is a famous Buddhist temple located in a hamlet near Yogyakarta on Java, Indonesia. It dates from the 8th century and was probably originally a monastery for the mon...
U.S. troops captured this colossal 274.4 mm railroad gun from the Germans near Rentwertshausen in Thuringia, Germany on 10 April 1945. The 30-meter long barrel easily acc...