Arizona

A data center and internet exchange building in downtown Phoenix, across from Freeport McMoran’s headquarters building. Possibly the most connected building in Arizona, with several fiber optic backbone connections running through it. In 2006, Digital Realty...

Digital Realty’s data center in Chandler, Arizona, is at the southern edge of Phoenix’s sprawl, near a massive Intel plant, and companies like Orbital ATK and Iridium. The facility is said to be the largest data center in Arizona, totaling 519,000 square feet...

Arcosanti is an entire city under construction near the town of Mayer, north of Phoenix, designed by the architect Paolo Soleri (1919–2013), a student of Frank Lloyd Wright. While there is evidence of the influence of Wright's Arizona style in the idealistic...

A major automotive R&D test track, located in Wittmann, north of Phoenix. It was built in 1985 for the Volvo company, which used it until Ford took it over in 2009. It has several different types of track, including a 2.2 mile high speed oval, a 2.1 mile...

A major automotive test facility in the Arizona desert, near the Colorado River. It was built in 1955, on top of a former Air Corps training field, and operated as Ford’s primary desert test center until 2006. It was bought by Chrysler in 2007, for $35...

One of the largest mining operations in the United States, the Mission Complex is a copper and silver mining network, featuring an open-pit mine comprised of the Mission, Eisenhower, Pima, Mineral Hill and South San Xavier properties, as well as the...

A major open-pit copper and molybdenum mine as well as company town in western Arizona. Operations have opened and shut over the years, and ownership has changed, though when operational around 500 people are employed at the pit and the processing plants here...

A large experimental complex built in the late 1980s to explore the possibility of living outside of the Earth--"Biosphere 1"--should the Earth become uninhabitable. It is part research facility, part tourist attraction. The primary structure consists of a...

A former coal mine, where the coal was extracted, pulverized, and mixed with water to form a slurry, which was then transported through a pipeline for 273 miles to the Mojave Generating Station, a power plant in Laughlin, Nevada. At the time, the 18-inch...

This silo is at the end of a 17-mile-long conveyor connecting to the Kayenta Mine on Black Mesa. From here it is loaded on to electric trains that take it around 80 miles on a dedicated track to the Navajo Power Plant near Page. Power from that plant serves...

The point of origin of the Central Arizona Project (CAP) is where the Granite Reef Aqueduct draws water from the Colorado River. CAP is a water supply system for the farms and cities of central Arizona, consisting of a 337-mile aqueduct that brings water from...

The 995-megawatt Cholla Power Plant, located in northeastern Arizona near Holbrook, burns coal from the McKinley Mine in New Mexico. Operated by APS (Arizona Power Service), which also operates the 4,000 MW Palo Verde nuclear plant, and the 1,540 MW Four...

One of the largest mine tailings piles in the world at 7.4 billion cubic feet, the New Cornelia Tailings is often cited as the largest dam structure in the country by volume (the tailings, waste material from the mining process, were heaped into a pile which...

The 309th Aerospace Maintenance and Regeneration Group (AMARG) at Davis-Monthan operates the largest aircraft "junkyard" in the world, a 2,600-acre site with typically around 4,200 military aircraft belonging to all branches of the U.S. military. Some are...

Most of the 420 golf courses in Arizona are private clubs, embedded in desert housing developments in cities in the Phoenix metro region, not unlike this one. Built in 1984, and designed by Jack Nicklaus, Desert Highlands is an example of a target golf-type...

One of Echostar’s largest satellite earth stations is in Gilbert, Arizona, in the southeast sprawl of Phoenix. Echostar is a communications satellite company serving video and data clients, including Dish TV, which was split off from the company in 2008. It...

Major communications and intelligence center for the military. Located on 73,272 acres (114 square miles) in southern Arizona, Huachuca is home to such units as the U.S. Army Intelligence Center, the Information Systems Engineering Command, the 9th Army...

Three UAS (Unmanned Aircraft Systems) runways and support facilities on a remote site at Fort Huachuca (one of the Army's main intelligence centers), comprise the largest UAS training facility in the world. The 2nd Battalion, 13th Aviation Regiment oversees...

 

What was once the tallest fountain in the world, is suitably, in one of the most arid cities in the United States: Phoenix, Arizona. The fountain shoots eight tons of...

Monument at the intersection of Arizona, New Mexico, Utah, and Colorado.

A multi-story geodesic sphere house on a pole, next to the Interstate south of Kingman, Arizona. Built originally as a restaurant called the Dinesphere in the 1970's, it was part of a sprawling desert development that never materialized called Lake Havasu...

Construction of this dam on the Colorado River, upstream from the Grand Canyon, started in 1956 and created Lake Powell when it was finished in 1963. The lake flooded a 186-mile long valley, forming the second largest man-made lake in the country (after Lake...

Grand Canyon Village is the most developed portion of the national park, right on the edge of the canyon. This is where most of the tourists come. There are some grand old lodges, including those built by Fred Harvey (a western tourism promoter who built...

Museum housing the world's largest display of firefighting gear. Most of the exhibits are of a historic nature: hand and horse-drawn pumpers, hose carriers, and hook-and-ladder wagons from the 18th and 19th centuries, antique motorized fire trucks, historic...

Part of Asarco's "Ray Complex," this copper smelter processes ore from the company's copper mines in the region (the Ray Mine, Silver Bell Mine, and Mission Mine). Copper concentrate arrives from the mines (the nearest being 20 miles away) by rail, and is...

Honeywell's Aerospace businesses, whose annual sales can total around $10 billion in a good year, are headquartered here in Phoenix. In 1999, AlliedSignal (already a major presence in the aerospace industry), acquired Honeywell for $15 billion,...

Art Deco Wonder of the West, which created the largest man-made lake in the country, Lake Mead. It was built primarily to control flooding and provide a stable supply of water downstream, secondarily to produce electricity, and tertiarily to employ people,...

Unusual desert airport, with some aircraft maintenance facilities, and large airliners in storage. Originally called "Sales & Storage Depot #41," Kingman was a major storage airport for airplanes returning from WWII.

Looming on Interstate 40 west of Kingman, this steel mini mill was built by North Star Steel in 1996, the seventh of several mini mills built by the company. This facility makes rebar and wire core rod, with waste metal imported from the scrap yards of Las...

More than 20 telescopes are clustered at the summit of Kitt Peak, from radio telescopes to solar telescopes. It is the location of the 4-meter National Optical Astronomy Observatory Mayall telescope, one of the world's largest, and the unusual McMath-Pierce...