North Dakota

Home of a large and unusual defense antenna, part of the Perimeter Acquisition Radar Characterization System (PARCS), used to identify and calculate the trajectory, and thus the impact point, of incoming missiles. This information is relayed to the...

Relying on natural decontamination processes instead of chemical agents, Viet Ngo's "Lemna System" utilizes a variety of floating plants to remove harmful phosphorus, nitrogen and algae in water before it is released into a bay of Devil's Lake. Shaped in the...

Holds back Lake Sakakawea, the third largest man-made lake in the country, and one of several major lakes made by dams along the Missouri River.

The Geographical Center of North America, in the town of Rugby, North Dakota, is marked with a pyramidal monument that measures 21 feet high, 6 feet wide at its base, and is placed on a heart-shaped foundation. Originally located across the highway, northwest...

A bomber and refueling base, and former Minuteman missile support base with over 5,000 acres, and around 5,500 employees. The missile functions were transferred to Malmstom AFB, Montana, in the late 1990's. As of May 2011, RQ-4 Global Hawk unmanned aerial...

The Hansboro/Cartwright crossing is one of a dozen small boundary crossings with Canada along the top of the North Dakota, which are among the least used out of the 118 or so crossings along the continental border. Despite this, most of the Port of Entry...

The International Peace Garden is a park on the international boundary, whose 2,300 acre extends on either side of the line. It opened in 1932, to celebrate the best of the shared physical, cultural, and political terrain of the two neighboring nations....

One of only two B-52 bomber bases in the country, and a base for the operation of the surrounding ICBM missile field. There are 5,000 acres, and 5,600 workers at the base. The Minuteman III missile field covers 8,000 square miles of mostly public land with...

On the west edge of the Turtle Mountains, an anomalous mound on the US/Canada border, full of lakes, is a curious attraction called Mystical Horizons. Described as a 21st century Stonehenge, there are equinox columns, line-of-sight tubes, and other...

A former missile defense radar site, with a ten-story tall concrete pyramid looming over the Prairie, no longer in use, and simply too big to be torn down.

A massive abandoned missile defense complex located near the center of the continent, in North Dakota. Part of the Safeguard Program, a short-lived anti-ballistic missile project, built to defend other missile complexes in the Dakotas. Closed in 1976, and now...

A local museum, operated by the North Dakota State Historical Society, notable especially for its tall observation tower overlooking the Red River as it flows into Canada, and the border crossing a couple miles north. Pembina is the busiest crossing in the...

The Portal/North Portal crossing is in the middle of the split community of Portal, North Dakota, and North Portal, Saskatchewan. This is the second busiest crossing in the North Dakota, and when a new US Port of Entry was mandated, it was squeezed in...

The old brick USA Port of Entry at this remote and lightly used crossing was preserved for historic purposes, while most of the rest of the US Ports of Entry in North Dakota were replaced around 2011. Across the street from the Port of Entry is the Border...

At 2,063 feet tall, this cable-stayed television transmitter tower is the tallest man-made structure in the United States, and the third tallest structure in the world. A radio mast in Poland is 2,120 feet tall, but lost its top portion in an accident during...