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.
Carrie Furnace is a former blast furnace located along the Monongahela River in the Pittsburgh area industrial town of Swissvale, Pennsylvania.
Mù Cang Chải is a rural district of Yên Bái Province, in the Northeast region of Vietnam. As of 2003, the district had a population of 42,574. The district covers an area of 1,199 km². The district capital lies at Mù Cang Chải.
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.
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.
Nara Dreamland is an abandoned theme park near Nara, Japan, inspired by Disneyland in California. It opened in 1961 and closed on August 31, 2006. The park was left abandoned.
Germany’s “treasure chamber” is located in a disused mine near Freiburg. Documents from over a thousand years of history are stored in the underground archive.
Tucked away in the Caucasus Mountains in the north of Georgia, is the historic province of Khevsureti.