Idaho's first territorial prison was opened in 1872. It was placed on the National Register of Historic Places. It was converted into a public facility after the last prisoners were removed in 1974.
•
Albertson College of Idaho in Caldwell was founded as the College of Idaho in 1891 and is the state's oldest four-year institution of higher learning.
•
Rexburg, Idaho is home to Ricks College, the largest private two-year college in the nation.
