The flag of the state of Wyoming consists of the silhouette of an American bison. The red border symbolizes the Native Americans and the blood of pioneers who gave their lives. The white border is a symbol of purity and uprightness. The blue background is the color of the skies and distant mountains.

The region had acquired the name Wyoming by 1865, when Representative James Mitchell Ashley of Ohio introduced a bill to Congress to provide a "temporary government for the territory of Wyoming". The territory was named after the Wyoming Valley in Pennsylvania, made famous by the 1809 poem Gertrude of Wyoming by Thomas Campbell, based on the Battle of Wyoming in the American Revolutionary War. The name ultimately derives from the Munsee word xwé:wamənk, meaning "at the big river flat".

The largest coal mine in the world by reserves is the North Antelope Rochelle coal mine in the Powder River Basin of Wyoming. The mine was estimated to contain more than 1.7 billion tonnes of recoverable coal as of December 2018.

Cody, Wyoming is named after Colonel William Frederick "Buffalo Bill" Cody for his part in the founding of Cody in 1896.

The cutthroat trout (Oncorhynchus clarkii) is a popular gamefish, especially among anglers who enjoy fly fishing. The common name "cutthroat" refers to the distinctive red coloration on the underside of the lower jaw. The specific name clarkii was given to honor explorer William Clark, co-leader of the Lewis and Clark Expedition.

It is bordered by six states: Montana to the north and northwest, South Dakota and Nebraska to the east, Colorado to the south, Utah to the southwest, and Idaho to the west.

The species of Indian paintbrush adopted as a symbol of Wyoming (Castilleja linariaefolia) is found on rocky slopes and arid plains and is associated with sagebrush scrub and pinyon pine or juniper woodland.

Devils Tower, a monolith located in Crook County, Wyoming, was the first United States national monument, established on September 24, 1906, by President Theodore Roosevelt.

Casper has a long history of oil boomtown and cowboy culture, dating back to the development of the nearby Salt Creek Oil Field in 1889.

The plains cottonwood (Populus sargentii) is a large, fast-growing, short-lived tree of the Great Plains and eastern border of the Rocky Mountains. Members of the willow family, cottonwoods are named for the cotton-like mass of hairs surrounding their seeds.