Built in the 1970s, this air base in Mongolia had a 2-mile-long runway and was seen as a frontline for any possible conflict with China.
The Kola Superdeep Borehole was a scientific project undertaken by the Soviet Union in the 1970s to better understand the Earth’s crust.
The Cultybraggan camp is one of the last remaining World War 2 Prisoner of War Camp in the UK.
The Orpheum Theatre opened on April 15, 1912 — the same day the Titanic sank. Located on Water Street in New Bedford, Massachusetts, it was part of a Beaux-Arts building that was built in 1910 by a French-Canadian group known as Le Club des Francs-Tireurs (The French Sharpshooters Club).