The church of the "Holy Wisdom," built in the Byzantine Empire, had been one of the largest religious buildings until 1935, when it was converted into a museum.
The round tower of the largest fort in the Arabian Peninsula had an ingenious defense system.
The center of the Indian mausoleum complex is a white marble tomb built by Shah Jahan for his beloved wife.
The American inventor presented his invention revolutionizing telecommunication at New York University in 1837.
The seminomadic lifestyle of the Bedouin adapted to the climatic and environmental conditions of the desert.
The Parisian prison became legendary after the Revolution of 1789.
In the Tudor Era around 200 buildings were built on the bridge across the River Thames.
The Benz Patent-Motorwagen is widely regarded as the first vehicle propelled by an internal combustion engine.
This Pacific island is famous for its unique monolithic human figures.
The Wright Flyer was the first successful powered, heavier-than-air aircraft, designed and built by the Wright brothers.
Galileo Galilei's scientific achievements contributed greatly to the advancement of physics and astronomy.
At the end of the 18th century, mining boomed because of the great need for raw materials in the dynamically developing industry.
A dynamo converts mechanical energy into direct current.
A type of steam locomotives used by British Railways were manufactured in the 1950s.
The steam engine, perfected by the Scottish engineer James Watt, revolutionized technology.
The French Montgolfier brothers were the first pioneers of flying.
Napoleon I, who crowned himself emperor, was one of the most outstanding military commanders in history.
The first commercially successful technique of photography was invented by the French Louis Daguerre.
Legendary geographical discoveries at the beginning of the Modern Age had not only redrawn maps, but also had a truly diverse impact.
The device that transmits human voice as electrical signals was invented by Bell in 1876.