Situated in the west of Bosnia on the border with Croatia, Objekat 505, as it was officially known, was the largest underground airport in the Balkans. The primary purpose of the Objekat 505 was to house a long-range radar early warning system, akin to NORAD, as well as to provide a strategic command center for the country’s defense.
The Superconducting Super Collider (SSC) (also nicknamed the Desertron) was a particle accelerator complex under construction in the vicinity of Waxahachie, Texas.
ATLAS-I is world’s largest wood and glue structure designed to test the radiation hardening of strategic aircraft systems against EMP pulses from nuclear warfare.
The Space Power Facility (SPF) is the world’s largest vacuum chamber measuring 30 meters tall and 37 meters across.
Antarctic Basecamp, 1911 Tinned ham and whisky are stacked on the shelves beside jars of olives and anchovy paste, awaiting the return of the man who put them there. However, he never would step back into this cosy living space and enjoy the food he had left behind. His name was Robert Falcon Scott –…
The National Monument of Scotland, on Calton Hill in Edinburgh, is Scotland’s national memorial to the Scottish soldiers and sailors who died fighting in the Napoleonic Wars.
The Outer Trial Bank is a circular artificial island in the Wash, East Anglia, England. It is one of two islands constructed during the 1970s for a governmental water resources scheme.
Presidio Modelo (Model Prison) was a former “model prison” of Panopticon design, located on the Isla de la Juventud in Cuba, built between 1926 and 1931, during the repressive regime of Gerardo Machado.
The Vajont Dam (or Vaiont Dam) is a disused dam in Italy, which was completed in 1959. On 9 October 1963, during initial filling, a massive landslide caused a man-made megatsunami in the lake in which 50 million cubic metres of water overtopped the dam in a wave 250 metres (820 ft) high, leading to 1,910 deaths and the complete destruction of several villages and towns.
The Kinzua Bridge or the Kinzua Viaduct was a railroad trestle that spanned Kinzua Creek in McKean County in the U.S. state of Pennsylvania. The bridge was 301 feet (92 m) tall and 2,052 feet (625 m) long. Most of its structure collapsed during a tornado in 2003.