Gannett Glacier in the Wind River Range is four kilometres long making it the largest glacier in the Rockies.
The natural wonder Cirque of Towers in the Wind River Range was formed by a glacier that retreated 8,000 years ago.
Southwestern Wyoming is reported to hold the world’s largest deposits of trona ore: a mineral that is important in the manufacture of glass and other chemical products.
The Green River Basin is thought to contain the world’s largest deposit of fossil fuel, trapped in rocks in the form of oil shale.
Hundreds of thousands of migrants travelled through southwestern Wyoming on the Emigrant Trail westward in the 19th century.
The Green River was the most dangerous river crossed by the Emigrant Trail; ferries carried migrants across the deep, fast-flowing water.