Borovsko Bridge

The Borovsko Bridge is an unfinished highway bridge near Borovsko , part of Bernartice municipality, Central Bohemian Region, Czech Republic. It is commonly known as the “Czech Avignon” or “Hitler’s Bridge”.

The Moroccan Wall

Unlike other notorious barriers in the world, the Moroccan Wall is rarely in the news and is little discussed outside of Africa. The existence of this wall has been buried in the desert, along with the 40-year-old plight of the Sahrawi people the Moroccan Wall has kept divided.

ATLAS-I

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.

Project Riese

Riese is the code name for a construction project of Nazi Germany in 1943–1945, consisting of seven underground structures located in the Owl Mountains and Ksiaz Castle.

New Bedford Orpheum Theatre

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).

The Kelvedon Hatch: Secret Nuclear Bunker

The Kelvedon Hatch Secret Nuclear Bunker at Kelvedon Hatch, in the Borough of Brentwood in the English county of Essex, is a large underground bunker maintained during the cold war as a potential regional government headquarters.

Mirny Diamond Mine

The Mir mine, also called the Mirny mine, is an open pit diamond mine located in Mirny, Sakha Republic, in the Siberian region of eastern Russia. The mine is >525 meters (1,722 ft) deep (4th in the world) and has a diameter of 1,200 m (3,900 ft), and is one of the largest excavated holes in the world.

The Outer Trial Bank

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.

Sarajevo Tunnel

Five meters below the runway of Sarajevo’s airport runs a short stretch of tunnel that was dug out during the Siege of Sarajevo to bring supplies to the cut-off city. For four years this 800-meter long tunnel was the besieged city’s only connection to the outside world, and its life support.

Kinzua Bridge

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.

Checkpoint Charlie

Checkpoint Charlie was the name given by the Western Allies to the best-known Berlin Wall crossing point between East Berlin and West Berlin during the Cold War.

Stelling van Amsterdam

The Stelling van Amsterdam was the most advanced military structure of its type in the world – 135 km (84 miles) of forts, batteries and moats completely encircling the city in a defensive barrier.

Agloe

In the 1930s, a small town named Agloe suddenly began appearing on the maps of New York. It was positioned near an unmarked dirt road that led from Roscoe to Rockland, and near to Beaverkill.

The Forgotten Giants

Danish artist Thomas Dambo has been building stuff using trash and recycled materials since an early age, starting with smaller sculptures such as birdhouses and furniture to bigger pieces such as the six “Forgotten Giants” he recently installed around Copenhagen.