The Unfinished Obelisk
The unfinished obelisk is the largest known ancient obelisk and is located in the northern region of the stone quarries of ancient Egypt.
Superconducting Super Collider
The Superconducting Super Collider (SSC) (also nicknamed the Desertron) was a particle accelerator complex under construction in the vicinity of Waxahachie, Texas.
Presidio Modelo
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.
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.
The Bastei Bridge
The Bastei is a rock formation towering 194 metres above the Elbe River in the Elbe Sandstone Mountains of Germany.
Kowloon Walled City
Kowloon Walled City was a densely populated, largely ungoverned settlement in New Kowloon, Hong Kong.
Wieliczka Salt Mine
The Wieliczka Salt Mine located in the town of Wieliczka in southern Poland, lies within the Kraków metropolitan area.
Mauthausen Concentration Camp
Mauthausen-Gusen concentration camp grew to become a large group of Nazi concentration camps that was built around the villages of Mauthausen and Gusen in Upper Austria.
The Fortified Villages of Khevsureti
Tucked away in the Caucasus Mountains in the north of Georgia, is the historic province of Khevsureti.
Humberstone and Santa Laura Saltpeter Works
Humberstone and Santa Laura Saltpeter Works are two former saltpeter refineries located in northern Chile. They were declared a UNESCO World Heritage Site in 2005.
Vilarinho da Furna
Vilarinho da Furna, in the municipality of Terras de Bouro in the Braga district, in northern Portugal, was an old village that was erased from the map in 1972.
Derweze Crater
The Derweze Crater, also known as the Door to Hell, is a natural gas field in Derweze (also spelled Darvaze, meaning “gate”), Ahal Province, Turkmenistan. The Door to Hell is noted for its natural gas fire which has been burning continuously since it was lit by Soviet petrochemical scientists in 1971.
Ross Island
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, …
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.
Bayantal Abandoned Soviet Airbase
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.
Tianzi Mountains
Tianzi Mountains are located in Zhangjiajie in the Hunan Province of China. Tianzi Mountain provides stunning views of peaks, which rise one after another.
Battersea Power Station
Battersea Power Station is a decommissioned coal-fired power station located on the south bank of the River Thames, in Battersea, an inner-city district of South West London.
Domino Sugar Refinery
The Domino Sugar Refinery is a former refinery in the neighborhood of Williamsburg in Brooklyn, New York City. It was the original refinery of the American Sugar Refining Company, which produced Domino brand sugar.
Grand Prismatic Spring
The Grand Prismatic Spring in Yellowstone National Park is the largest hot spring in the United States, and the third largest in the world, after Frying Pan Lake in New Zealand and Boiling Lake in Dominica. It is located in the Midway Geyser Basin.
Peenemünde Army Research Center
The research and development carried out in Peenemünde was not only crucial to the course of WWII, but impacted the future of weapons of mass destruction, as well as space travel.
Waitomo Glowworm Caves
The Waitomo Glowworm Caves attraction is a cave at Waitomo on the North Island of New Zealand, known for its population of glowworms.