New Castle is a city in Henry County on the Big Blue River. It is the home of New Castle Fieldhouse, the largest high school gymnasium in the world. The city is surrounded by agricultural land. In the past, it was a manufacturing center for the production of sheet iron and steel, automobiles, caskets, clothing, scales, bridges, pianos, furniture, handles, shovels, bricks, and flour. Starting in the early 20th century, it was known as the Rose City, at one point having 100 florists and numerous growers.
The Indiana Basketball Hall of Fame is located here. Notable people include Steve Alford, Tom Allen, Kent Benson,Omar Bundy,Robert Indiana, and David Lee Roth.