Neil Armstrong, one of the crew members of Apollo 11 was the first man to set foot on the Moon.
Located in the Grand Mosque of Makkah, the Kaaba shrine is the most sacred site of Islam.
A selection of legendary buildings from the history of civilisation.
The atomic bomb is one of the most destructive weapons in human history.
Soviet labour camps (Gulags) were located far from inhabited areas.
Nuclear fusion will serve as an environmentally friendly and practically unlimited source of energy.
The double-decked, wide-bodied passenger aircraft can carry more then 500 passengers.
This animations demonstrates the exterior and interior construction of cars, as well as their operation.
Yuri Gagarin became the first human in space on 12 April 1961.
Built in Neo-Byzantine style, this Orthodox cathedral is one of the symbols of the Bulgarian capital city.
The popular model of the American automobile factory was the first mass-produced car in the world.
Carved into a granite cliff, the sculptures of the Mount Rushmore National Memorial depict four great United States presidents.
Learning about the geographic location, capitals and flags of the world´s countries through exercises in three levels of difficulty.
A Zeppelin is a type of rigid-framed airship.
One of the most modern means of transport is the Maglev, capable of travelling at speeds of over 400 km/h.
Space probes and Mars rovers examine the structure of Mars and possible traces of life.
A symbol of division and oppression, the Wall tore a city and numerous families apart.
The B-24 Liberator was an American heavy bomber aircraft, built in large numbers, that was used on every front during World War II.
The first supersonic passenger airliner entered service in 1976.
The train operates between Paris and southern Germany, its cruise speed is 320 km/h.