A massive natural rock arch is the centerpiece of the expansive Natural Bridge State Park in eastern Kentucky.

A massive natural rock arch is the centerpiece of the expansive Natural Bridge State Park in eastern Kentucky.
Established in 1867, the Sand Point Lighthouse helped to guide ships in and out of the Little Bay de Noc bay in Escanaba, Michigan harbor. It remains open today as a maritime museum.
Rock River falls is a wide 15-foot cascade along the Rock River in the Rock River Canyon Wilderness near Chatham, Michigan.
The Grand Island Harbor Rear Range Light consists of front and rear lights once used to guide ships into the shipping channel between Christmas and Munising, Michigan. The rear light was abandoned in 1969.
The Munising, Michigan region, just outside of the famed Pictured Rocks National Lakeshore, is home to numerous waterfalls and cascades.
Pictured Rocks National Lakeshore, located along the south shore of Lake Superior in Michigan’s Upper Peninsula, is known for its dramatic Pictured Rocks cliffs.
The Chaparral Prairie State Nature Preserve offers wide vistas of a vast prairie teeming with a wide variety of wildflowers in Adams County, Ohio.
The Davis Memorial State Nature Preserve, located along Cedar Fork in Adams County, Ohio, features alkaline, magnesium-rich soil that supports numerous species of plants that are rarely found anywhere else in the state.