The Space Power Facility (SPF) is the world’s largest vacuum chamber measuring 30 meters tall and 37 meters across.
Antelope Canyon is the most-visited and most-photographed slot canyon in the American Southwest.
Horseshoe Bend is the name for a horseshoe-shaped meander of the Colorado River located near the town of Page, Arizona, in the United States.
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.
Since the last train left in 1988, the once-regal station has come to symbolise Detroit’s economic woes and has become a favourite canvas for graffiti artists.
For many years, these bizarre buildings on the isolated southern tip of Marco Island in Cape Romano, Florida, were a bit of a mystery.
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 Great Blue Hole is a large submarine sinkhole off the coast of Belize.
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 Superconducting Super Collider (SSC) (also nicknamed the Desertron) was a particle accelerator complex under construction in the vicinity of Waxahachie, Texas.
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.
Alcatraz Island is located in the San Francisco Bay, 1.5 miles (2.4 km) offshore from San Francisco, California, United States. Often referred to as “The Rock”, the small island was developed with facilities for a lighthouse, a military fortification, a military prison (1868), and a federal prison from 1933 until 1963.
Niagara Falls is the collective name for three waterfalls that straddle the international border between Canada and the United States; more specifically, between the province of Ontario and the state of New York. They form the southern end of the Niagara Gorge.
Carrie Furnace is a former blast furnace located along the Monongahela River in the Pittsburgh area industrial town of Swissvale, Pennsylvania.
For years, boozers from the Texas A&M University in College Station, Texas, and elsewhere, have been paving a short alley located between the pub Dry Bean and the restaurant Dixie Chicken, with used bottle caps.
Monument Valley is a region of the Colorado Plateau characterized by a cluster of vast sandstone buttes, the largest reaching 1,000 ft (300 m) above the valley floor.
Holland Island is a marshy, rapidly eroding island once inhabited by watermen and farmers.
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.
Fly Geyser, also known as Fly Ranch Geyser is a man-made small geothermal geyser located in Washoe County, Nevada.
The intense secrecy surrounding the base made it the frequent subject of conspiracy theories and a central component to unidentified flying object (UFO) folklore.