What the names of two small regions within Midwest region?

1. Driftless Area: The Driftless Area is a region in the Midwest of the United States that was not covered by glaciers during the last ice age. It is located in parts of Iowa, Minnesota, Wisconsin, and Illinois. The Driftless Area is known for its rugged topography, including bluffs, valleys, and caves. It is also home to a variety of plant and animal life, including many rare and endangered species.

2. Ozarks: The Ozarks is a region in the Midwest of the United States that is characterized by its rugged terrain, including mountains, valleys, and rivers. It is located in parts of Arkansas, Missouri, Oklahoma, and Kansas. The Ozarks are home to a variety of plant and animal life, including many rare and endangered species. The region is also known for its natural beauty, including its many waterfalls, caves, and lakes.