At around 7,900 feet, Idaho’s Hell’s Canyon is the deepest gorge in the United States, even deeper than the Grand Canyon.
Idaho's nickname is the "Gem State", because nearly every known type of gemstone has been found there.
The statehouse in Boise (along with a dozen other of the city’s buildings) are geothermally heated by Idaho’s many underground hot springs. In fact, 90% of Idaho’s power comes from renewable sources.
Albertson’s, one of the largest food and drug retailers in the United States was started in 1939 in Boise, Idaho.
Micron Technology, incorporated in 1978, is headquartered in Boise, Idaho.