Wyoming

The Accidental Oil Company operated this oil well attraction in eastern Wyoming starting in 1970. The primary draw was a hand dug 24 foot-deep oil well, an excavated underground cavity that visitors could walk into through a lighted tunnel, and admire from a...

In the southeast corner of the state, commemorating the railroad era, is the Ames Pyramid, a sixty foot tall stone block monolith. It was constructed in 1882 to commemorate Union Pacific railroad businessmen/politicians/brothers Oakes and Oliver Ames, as well...

Bill Gates, the co-founder of Microsoft, who remains one of the richest people in the world, bought this historic ranch in 2009 (for $9 million). Known as the Irma Lake Lodge, the property was settled by Buffalo Bill himself, in 1902. It now has a 15,000-...

For years Black Thunder was the "world's largest single coal-mining complex," until it was recently surpassed by the nearby North Antelope Rochelle mine. It is now the second largest coal mine in the nation. Either way, the mine produces nearly 10 percent of...

The primary location for the Wyoming National Guard, Camp Guernsey is a large training site used by the Guard, as well as other federal, state and local law enforcement agencies. It is used for emergency preparedness training, and is available to security and...

The Cheyenne Refinery has the capacity of processing around 50,000 barrels per day, which makes it the second largest in the state, and one of four oil refineries still functioning in Wyoming (six if you include two that produce less than 5,000 barrels per...

This shut-down Texaco refinery emits insoluable petroleum globs into the North Platte River, immediately adjacent to the plant. The Sierra Club and others have claimed that arsenic, benzene and ammonia (just to name a few of the dangerous substances cited)...

The Cordero and Caballo Rojo mines were merged in 1997 to create one of the largest and most productive coal mines in the United States. Initially operated by Rio Tinto Energy America, the mine was purchased by Cloud Peak Energy in 2010. The operation spans 6...

The Dave Johnson Power Plant is a coal-fired power plant built in 1958, and expanded with more units, now producing 800 megawatts. It was fueled by an adjacent mine until that was depleted and closed in 2000. The plant receives coal from mines in Wyoming’s...

Pretty close to the middle of the Wyoming, between here, and there, is a famous landmark on the Oregon Trail, known as Devil’s Gate, a steep natural cut in a hill made by the Sweetwater River. Though it is public property (BLM), access to it is through the...

Devils Tower is a dramatic igneous intrusion, or volcanic plug, located at the northeast corner of Wyoming. It was the first official National Monument in the USA, declared to be such by President Theodore Roosevelt in 1906. Devils Tower is a cultural...

An explosives facility on the southwest fringe of Cheyenne, Wyoming, which employs around 200 people (2015). Dyno Nobel manufactures explosives here to serve coal mining in Wyoming and other mining and quarrying operations around the west. The company is a...

A major satellite uplink and broadcast facility for Echostar, one of the nation’s largest satellite communication companies. The facility was built in 1994 for the Dish Network TV system, now part of the Hughes dish system, and it serves other commercial and...

Little America operates a 25,000 barrel per day refinery in Evansville, one of several small oil refineries still operating in Wyoming.

The FMC mine is the largest of the four trona mines in the region, and likely the largest in the world. It has 2,000 miles of tunnels, most of which are 14 feet wide and 8 feet tall. The operation extracts as much as 900 tons an hour, and more than three...

This uranium tailings impoundment and disposal cell was built by Umetco, the uranium mining company that operated the mill at the site from 1960 to 1985. Reclamation of the site was mostly completed in 2006. Tailings from other locations, such as the Riverton...

The federal government located one of its ten Japanese-American interment camps here, north of Cody, during World War II. Like the other relocation centers, the Heart Mountain Internment Camp had around 650 buildings, with 450 barracks holding as many as 10,...

A sculpture in downtown Douglas, Wyoming, and a few others around town, attests to the claim that the town is the birthplace of the Jackalope, a mythological creature, famous (to some) throughout the American West.  The...

Though remote and serving a small town, the Jackson Hole Airport is the busiest airport in Wyoming, due largely to the ski hills, and the number of private jets coming and going. It serves the resorts and recreational homes of one of the most affluent and...

Some of the coal mines in Wyoming were developed to provide coal for local power production, like the Jim Bridger Power Plant in southwest Wyoming. One of the largest coal-fired power plants in the nation, this remote plant was built at its primary coal...

In the southwest corner of Wyoming is a monument of car travel, Little America, known to many for its barrage of billboards along Interstate 80. This gas station/motel/restaurant stop was the first Little America location, built in 1952, when it was US Route...

This collection of windmills (electricity producing wind powered turbines) sprung up mostly in the 1990s, to take advantage of the bare hills and windy conditions here, near the continental  divide, but this is a wind-energy historic site too. It was one...

The Teapot Dome reserve, part of the once immensely productive Salt Creek Oil Field region of Wyoming, was one of a few major oilfields in the country that were set aside by the federal government, to be used only in the event of a national crisis or shortage...

The North Antelope Rochelle Mine currently holds the title of largest coal mine in the country, selling 101.5 million tons in 2017, and is thought to have around 1.9 billion tons of probable reserves. Like the others, this mine nearly doubled in size when it...

This is the northernmost of the four Trona mines and processing plants in the Green River deposit, and the smallest in output. Even so it is a large operation, employing 430 people (2015) and extracting 2.7 million metric tons annually. For years it was owned...

Ringed by viewing platforms and walking trails, Old Faithful is the geyser that is the central attraction at Yellowstone, the nation’s first National Park. Yellowstone covers nearly 4,000 square miles at the northwest corner of Wyoming, and is full of...

Tailings from a Western Nuclear uranium mine, currently undergoing clean-up as part of the Uranium Mill Tailings Remediation Act Project. The site covers approximately 170 acres. The tailings and debris were relocated to a UMETCO Title II disposal site in the...

A heavily developed oil field, ten miles long, which has produced over 600-million barrels since the first well was drilled in 1889. It is located in an area that has been thoroughly transformed by the industry, becoming a landscape of pipes, pumps, and...

Exxon operates this large gas separation plant, processing gas from the La Barge Gas Field, one of a few productive gas fields in western Wyoming. As a result of the separation process, helium is also produced, and this is one of the major sources for that...

The oil refinery in Sinclair, Wyoming, is one of two operated by the Sinclair Oil company, which gave the company town its name (the other refinery operated by the company is in Casper). Sinclair Oil, a distinctive brand with a dinosaur on its logo, is known...